US PATENT SUBCLASS 72 / 468
.~.~ Including adjustable size or multiple passageway

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

462  DF  TOOL AND/OR TOOL HOLDER {7}
467  DF  .~ Tool comprising closed periphery deforming passageway {1}
468.~.~ Including adjustable size or multiple passageway

DEFINITION

Classification: 72/468

Including adjustable size or multiple passageway:

(under subclass 467) Apparatus wherein the dimensions of the orifice may be altered or wherein a plurality of orifices is provided.