US PATENT SUBCLASS 238 / 175
.~ Special rails


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

151  DF  RAIL JOINTS {28}
175.~ Special rails {3}
176  DF  .~.~> Channels
177  DF  .~.~> T-web U-base
178  DF  .~.~> Flat


DEFINITION

Classification: 238/175

Rail-joints for rails of unusual cross-sectional shape.