US PATENT SUBCLASS 104 / 166
.~ Longitudinal rotary shafts

Current as of: June, 1999
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104 /   HD   RAILWAYS

165  DF  TRACTION {8}
166.~ Longitudinal rotary shafts

DEFINITION

Classification: 104/166

(under subclass 165) Car-propelling means in which the moving element in the road-bed consists of a longitudinally-extending rotary shaft.