US PATENT SUBCLASS 238 / 313
.~ Universal

Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

310  DF  FASTENINGS {12}
313.~ Universal

DEFINITION

Classification: 238/313

Rail-fastenings with a continual series of fastening elements on a tie, so that a rail may be detachably secured at any desired point on a tie.