US PATENT SUBCLASS 451 / 233
.~.~.~.~ Spaced portions

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178  DF  .~.~ Rotary cylinder {11}
231  DF  .~.~.~ Stationary work holder {4}
233.~.~.~.~ Spaced portions

DEFINITION

Classification: 451/233

Spaced portions:

(under subclass 231) Abrading machine for grinding at least two distinct remote locations on a workpiece.