US PATENT SUBCLASS 451 / 429
.~ To rail

Current as of: June, 1999
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451 /   HD   ABRADING

415  DF  ATTACHMENT {13}
429.~ To rail

DEFINITION

Classification: 451/429

To rail:

(under subclass 415) Attachment particularly adapted to be attached to and grind an elongated member on which a vehicle is to ride.