US PATENT SUBCLASS 204 / 209
.~.~.~.~.~ Mechanical working


Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
194  DF  .~ Electrolytic {11}
*  DD  .~.~ With movable electrode means {7}
206  DF  .~.~.~ Continuous strip or filament electrode {2}
207  DF  .~.~.~.~ With base treatment {3}
209.~.~.~.~.~ Mechanical working


DEFINITION

Classification: 204/209

(under subclass 207) Apparatus wherein means for mechanically working the base are included.