US PATENT SUBCLASS 56 / 304
.~.~.~ Antifriction devices

Current as of: June, 1999
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56 /   HD   HARVESTERS

229  DF  CUTTING {13}
289  DF  .~ Cutter members {5}
296  DF  .~.~ Reciprocating {8}
304.~.~.~ Antifriction devices

DEFINITION

Classification: 56/304

Comprising means for reducing the friction between the cutter and the member in which it reciprocates.