US PATENT SUBCLASS 238 / 332
.~.~ Screw-operated

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

310  DF  FASTENINGS {12}
331  DF  .~ Transverse slide {3}
332.~.~ Screw-operated

DEFINITION

Classification: 238/332

(under subclass 331) except that the slide is operated by a screw.

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