US PATENT SUBCLASS 451 / 80
.~.~ Having moving work holder

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
75  DF  .~ Sandblast {13}
80.~.~ Having moving work holder {2}
81  DF  .~.~.~> Endless belt type
82  DF  .~.~.~> Rotary {2}

DEFINITION

Classification: 451/80

Having moving work holder:

(under subclass 75) Abrading machine provided with means for securely supporting and moving the workpiece past the sandblasting means.