US PATENT SUBCLASS 37 / 91
.~ Wheel excavator


Current as of: June, 1999
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37 /   HD   EXCAVATING

347  DF  DITCHER {8}
91.~ Wheel excavator {2}
92  DF  .~.~> Longitudinal axis {1}
94  DF  .~.~> Transverse axis {1}


DEFINITION

Classification: 37/91

(under subclass 347) Apparatus wherein the digger is a wheel.

(1) Note. Compare this class, subclass 393.