US PATENT SUBCLASS 62 / 904
.~.~ Coiled heat exchanger

Current as of: June, 1999
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62 /   HD   REFRIGERATION

902  DF  Apparatus {6}
903  DF  .~ Heat exchange structure {1}
904.~.~ Coiled heat exchanger

DEFINITION

Classification: 62/904

Coiled heat exchanger:

Subject matter under 903 with specific heat exchanger for gas separation wherein the heat exchanger is helical shaped.