US PATENT SUBCLASS 432 / 81
.~ Work holder having selectively usable heating and cooling structure

Current as of: June, 1999
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432 /   HD   HEATING

77  DF  WITH WORK COOLING STRUCTURE {5}
81.~ Work holder having selectively usable heating and cooling structure

DEFINITION

Classification: 432/81

(under subclass 74) Apparatus including a chamber and means by which heat is supplied to the chamber and also means by which heat is removed from the chamber, the two means being optionally usable.