US PATENT SUBCLASS 291 / 5
.~ Reversing

Current as of: June, 1999
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291 /   HD   TRACK SANDERS

3  DF  FLUID DELIVERY {7}
5.~ Reversing

DEFINITION

Classification: 291/5

Reversing means for fluid-pressure sand-delivery apparatus to effect track-sanding in front of or at the rear of the traction-wheels at will.