US PATENT SUBCLASS 62 / 195
.~.~ Impurity removal

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
190  DF  .~ Refrigeration producer {12}
195.~.~ Impurity removal

DEFINITION

Classification: 62/195

(under subclass 190) Apparatus controlling, or responsive to, means removing an undesired constituent, e.g., gas, from a refrigerant producer.