GB1075316A – Improvements in or relating to cryogenic devices
– Google Patents
GB1075316A – Improvements in or relating to cryogenic devices
– Google Patents
Improvements in or relating to cryogenic devices
Info
Publication number
GB1075316A
GB1075316A
GB8035/65A
GB803565A
GB1075316A
GB 1075316 A
GB1075316 A
GB 1075316A
GB 8035/65 A
GB8035/65 A
GB 8035/65A
GB 803565 A
GB803565 A
GB 803565A
GB 1075316 A
GB1075316 A
GB 1075316A
Authority
GB
United Kingdom
Prior art keywords
vessel
liquid
vessels
cryogenic
temperature
Prior art date
1965-02-24
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8035/65A
Inventor
John Norman Chubb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1965-02-24
Filing date
1965-02-24
Publication date
1967-07-12
1965-02-24
Application filed by UK Atomic Energy Authority
filed
Critical
UK Atomic Energy Authority
1965-02-24
Priority to GB8035/65A
priority
Critical
patent/GB1075316A/en
1966-02-09
Priority to US526125A
priority
patent/US3353365A/en
1967-07-12
Publication of GB1075316A
publication
Critical
patent/GB1075316A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C13/00—Details of vessels or of the filling or discharging of vessels
F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D8/00—Cold traps; Cold baffles
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04—POSITIVE – DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 – F04B35/00
F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 – F04B35/00 for evacuating by thermal means
F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 – F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2203/00—Vessel construction, in particular walls or details thereof
F17C2203/03—Thermal insulations
F17C2203/0304—Thermal insulations by solid means
F17C2203/0308—Radiation shield
F17C2203/0312—Radiation shield cooled by external means
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2203/00—Vessel construction, in particular walls or details thereof
F17C2203/03—Thermal insulations
F17C2203/0375—Thermal insulations by gas
F17C2203/0387—Cryogen
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2203/00—Vessel construction, in particular walls or details thereof
F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
F17C2203/0602—Wall structures; Special features thereof
F17C2203/0612—Wall structures
F17C2203/0626—Multiple walls
F17C2203/0629—Two walls
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2203/00—Vessel construction, in particular walls or details thereof
F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
F17C2203/0634—Materials for walls or layers thereof
F17C2203/0636—Metals
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
F17C2205/01—Mounting arrangements
F17C2205/0123—Mounting arrangements characterised by number of vessels
F17C2205/013—Two or more vessels
F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
F17C2205/0146—Two or more vessels characterised by the presence of fluid connection between vessels with details of the manifold
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
F17C2205/0323—Valves
F17C2205/0326—Valves electrically actuated
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
F17C2205/0323—Valves
F17C2205/0335—Check-valves or non-return valves
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
F17C2205/0352—Pipes
F17C2205/0355—Insulation thereof
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
F17C2205/0352—Pipes
F17C2205/0358—Pipes coaxial
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2221/00—Handled fluid, in particular type of fluid
F17C2221/01—Pure fluids
F17C2221/016—Noble gases (Ar, Kr, Xe)
F17C2221/017—Helium
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
F17C2223/0146—Two-phase
F17C2223/0153—Liquefied gas, e.g. LPG, GPL
F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
F17C2223/033—Small pressure, e.g. for liquefied gas
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
F17C2227/01—Propulsion of the fluid
F17C2227/0128—Propulsion of the fluid with pumps or compressors
F17C2227/0135—Pumps
F17C2227/0142—Pumps with specified pump type, e.g. piston or impulsive type
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
F17C2227/01—Propulsion of the fluid
F17C2227/0128—Propulsion of the fluid with pumps or compressors
F17C2227/0135—Pumps
F17C2227/015—Pumps with cooling of the pump
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
F17C2227/04—Methods for emptying or filling
F17C2227/045—Methods for emptying or filling by vacuum
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/03—Control means
F17C2250/032—Control means using computers
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/04—Indicating or measuring of parameters as input values
F17C2250/0404—Parameters indicated or measured
F17C2250/043—Pressure
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/04—Indicating or measuring of parameters as input values
F17C2250/0404—Parameters indicated or measured
F17C2250/0439—Temperature
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/06—Controlling or regulating of parameters as output values
F17C2250/0605—Parameters
F17C2250/0626—Pressure
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/06—Controlling or regulating of parameters as output values
F17C2250/0605—Parameters
F17C2250/0636—Flow or movement of content
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
F17C2250/07—Actions triggered by measured parameters
F17C2250/072—Action when predefined value is reached
Abstract
1,075,316. Refrigerating. UNITED KING- DOM ATOMIC ENERGY AUTHORITY. Feb. 4, 1966 [Feb. 24, 1965], No. 8035/65. Heading F4H. A cryogenic device comprises a vessel 1 having a cold surface 2 and containing a cryogenic liquid at a predetermined temperature, an intermediate vessel 10 in communication with vessel 1 through duct 11, a connection 16 for supplying cryogenic liquid from a dewar vessel 3 to the vessel 10 and a valve 12 in the latter for opening the duct 11 only when the temperature of the liquid in vessel 10 is substantially the same as that of the liquid in vessel 1. Vessels 10, 1 and 3 have respective vapour outlets 14, 15, 23 which are each connectable to a common vapour pump (20, Fig. 2, not shown), via a set of three valves (VT1-3, VC1-3 or VD1-3) of progressively decreasing aperture, the valves being controlled by relays energized in response to signals from contacts disposed at different levels in the legs of manometers (Fig. 3, not shown) connected to the respective vessels. Thermometers T 1 and T 2 define the maximum and minimum level of liquid in vessel 1 and a thermometer T 3 is provided to detect the presence of a predetermined level of liquid in vessel 10. The pressures and temperatures within the vessels, the transfer of liquid from vessel 3 to vessel 10 and the transfer of liquid from vessel 10 to vessel 1 are controlled automatically by a logic circuit (Fig. 5, not shown) in response to signals from the pressure and temperature-sensing means. Surface 2 preferably comprises a condensing surface of a cryopump and vessel 1 is surrounded by a heat shield 7 which is an extension of a double-walled lliquid nitrogen containing vessel 8. The cryogenic liquid is preferably helium.
GB8035/65A
1965-02-24
1965-02-24
Improvements in or relating to cryogenic devices
Expired
GB1075316A
(en)
Priority Applications (2)
Application Number
Priority Date
Filing Date
Title
GB8035/65A
GB1075316A
(en)
1965-02-24
1965-02-24
Improvements in or relating to cryogenic devices
US526125A
US3353365A
(en)
1965-02-24
1966-02-09
Cryogenic devices
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB8035/65A
GB1075316A
(en)
1965-02-24
1965-02-24
Improvements in or relating to cryogenic devices
Publications (1)
Publication Number
Publication Date
GB1075316A
true
GB1075316A
(en)
1967-07-12
Family
ID=9844534
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB8035/65A
Expired
GB1075316A
(en)
1965-02-24
1965-02-24
Improvements in or relating to cryogenic devices
Country Status (2)
Country
Link
US
(1)
US3353365A
(en)
GB
(1)
GB1075316A
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2085400B2
(en)
*
1970-04-17
1974-05-03
Air Liquide
DE2647961C2
(en)
*
1976-10-22
1978-11-16
Linde Ag, 6200 Wiesbaden
System for cooling objects or substances with liquid refrigerant
FR2538516A1
(en)
*
1982-12-28
1984-06-29
Commissariat Energie Atomique
METHOD AND APPARATUS FOR LOWING TEMPERATURE OF A DEVICE, IN PARTICULAR ABOUT 4K
FR2736423B1
(en)
*
1995-06-08
1997-08-14
Air Liquide
METHOD AND DEVICE FOR REFRIGERATION OF THERMAL SCREEN (S)
Family Cites Families (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2756765A
(en)
*
1954-06-01
1956-07-31
Machlett Lab Inc
System for maintaining liquid level
BE565593A
(en)
*
1957-03-11
US2966039A
(en)
*
1958-09-02
1960-12-27
Chemetron Corp
Carbon dioxide discharge device
US3106071A
(en)
*
1961-08-16
1963-10-08
Exxon Research Engineering Co
System for filling closed containers with volatile liquids
US3195620A
(en)
*
1963-06-14
1965-07-20
Hollins College Corp
Process and apparatus for maintaining constant low temperatures
1965
1965-02-24
GB
GB8035/65A
patent/GB1075316A/en
not_active
Expired
1966
1966-02-09
US
US526125A
patent/US3353365A/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
US3353365A
(en)
1967-11-21
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