US PATENT SUBCLASS 396 / 660
.~.~ Internally heated


Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

658  DF  BURNISHING {1}
659  DF  .~ Rotary burnishing surface {1}
660.~.~ Internally heated


DEFINITION

Classification: 396/660

Internally heated:

(under subclass 659) Subject matter including means to raise the temperature of a rotary tool.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 971, for a foreign art collection involving photos:graphic burnishing by a rotary machine which is internally heated.