US PATENT SUBCLASS 172 / 432
.~ Plural

Current as of: June, 1999
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172 /   HD   EARTH WORKING

431  DF  WITH SEAT OR ATTENDANT'S STATION {5}
432.~ Plural

DEFINITION

Classification: 172/432

(under subclass 431) Apparatus in which there are a plurality of separate and distinct seats or operator stations.