US PATENT SUBCLASS 104 / 113
.~ Gravity

Current as of: June, 1999
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104 /   HD   RAILWAYS

112  DF  CABLE RAILS {5}
113.~ Gravity

DEFINITION

Classification: 104/113

(under subclass 112) Inclined or inclinable cable-tracks upon which the cars or trolleys travel by gravity.

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164, for tilting, track railway propulsion systems.