US PATENT SUBCLASS 238 / 35
.~.~ Multiple section

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

29  DF  TIES {9}
30  DF  .~ Forms {12}
35.~.~ Multiple section

DEFINITION

Classification: 238/35

The tie is transversely divided into three or more sections.

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31, and 32.