US PATENT SUBCLASS 62 / 81
.~.~ By utilizing working fluid of refrigeration producer


Current as of: June, 1999
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62 /   HD   REFRIGERATION

56  DF  PROCESSES {28}
80  DF  .~ Defrosting or frost inhibiting {2}
81.~.~ By utilizing working fluid of refrigeration producer


DEFINITION

Classification: 62/81

(under subclass 80) Processes accomplished by utilizing a fluid used in the refrigeration process.

SEE OR SEARCH THIS CLASS, SUBCLASS:

277+, for related apparatus.