US PATENT SUBCLASS 451 / 9
.~.~ Of tool or work holder position

Current as of: June, 1999
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451 /   HD   ABRADING

1  DF  PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL {7}
8  DF  .~ With indicating {2}
9.~.~ Of tool or work holder position

DEFINITION

Classification: 451/9

Of tool or work holder position:

(under subclass 8) Subject matter using or including means to

show the location of an abrading tool or workpiece gripping means.