US PATENT SUBCLASS 451 / 101
.~.~ Valve structure

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
75  DF  .~ Sandblast {13}
101.~.~ Valve structure

DEFINITION

Classification: 451/101

Valve structure:

(under subclass 75) Abrading machine provided with a flow controller specifically adapted for supplying fluent abrasive material to the blast conduit in a sandblasting machine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

446+, for an abradant supplying accessory.