US PATENT SUBCLASS 104 / 251
.~.~ Car retaining

Current as of: June, 1999
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104 /   HD   RAILWAYS

249  DF  CAR STOPS {7}
250  DF  .~ Special track {1}
251.~.~ Car retaining

DEFINITION

Classification: 104/251

(under subclass 250) Buffers and stops which are adapted to become locked to and retain the car.