US PATENT SUBCLASS 55 / 338.1
.~ With heating or cooling means

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

338  DF  WITH RECYCLE MEANS {2}
338.1.~ With heating or cooling means

DEFINITION

Classification: 55/338.1

With heating or cooling means:

(under subclass 338) Apparatus having means for raising or lowering the temperature of a gaseous fluid mixture or separated constituent.