US PATENT SUBCLASS 451 / 93
.~.~.~ Magnetic

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
75  DF  .~ Sandblast {13}
91  DF  .~.~ Abradant propulsion means {5}
93.~.~.~ Magnetic

DEFINITION

Classification: 451/93

Magnetic:

(under subclass 91) Abrading machine wherein the propelling means is capable of impelling the abrasive material by the

use of a magnetic field.