US PATENT SUBCLASS 62 / 121
.~ Gas and liquid contact

Current as of: June, 1999
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62 /   HD   REFRIGERATION

56  DF  PROCESSES {28}
121.~ Gas and liquid contact

DEFINITION

Classification: 62/121

(under subclass 56) Processes in which cooling is effected by reasons of mutually contacting a gas and a liquid.

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304+, for related apparatus.