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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
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FR610031D1925-07-221925-07-22
Method and device for opposing the freezing of gases at relatively high solidification temperature in gas appliances
ExpiredFR610031A
(en)
Method and apparatus for the countercurrent exchange of heat between gases to be cooled and a refrigerant with simultaneous condensation of one or more components of the gases
Material intended for the construction of apparatus which comes into contact with hydrogen or gases containing hydrogen at high pressures and temperatures