US PATENT SUBCLASS 105 / 432
.~.~ Actuators

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

425  DF  PLATFORMS {2}
426  DF  .~ Trapdoors {6}
432.~.~ Actuators {2}
433  DF  .~.~.~> Lateral shifter
434  DF  .~.~.~> Spring

DEFINITION

Classification: 105/432

(under subclass 426) Trap doors having operating means.