US PATENT SUBCLASS 104 / 179
.~.~.~ Signals

Current as of: June, 1999
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104 /   HD   RAILWAYS

165  DF  TRACTION {8}
173.1  DF  .~ Cable {22}
178  DF  .~.~ Drive and control {1}
179.~.~.~ Signals

DEFINITION

Classification: 104/179

(under subclass 178) Devices for signaling to the power-house in case of injury to the traction-cable.