US PATENT SUBCLASS 242 / 909
HEATING OR COOLING

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

909HEATING OR COOLING

DEFINITION

Classification: 242/909

HEATING OR COOLING:

Method or apparatus for regulating the temperature of a device for or a material being subjected to winding, unwinding, tensioning, or guiding.