US PATENT SUBCLASS 238 / 337
.~.~ Vertical slide

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

310  DF  FASTENINGS {12}
336  DF  .~ Rail brace {1}
337.~.~ Vertical slide

DEFINITION

Classification: 238/337

Rail-braces having varying points of engagement with the rail as the rail is shimmed up more or less.

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