US PATENT SUBCLASS 246 / *
.~ Switch stands, automatic

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
*.~ Switch stands, automatic {3}
278  DF  .~.~> Facing setting {3}
284  DF  .~.~> Trailing setting {1}
290  DF  .~.~> Trailing fly-back {1}