US PATENT SUBCLASS 238 / 320
.~.~ Distorted rail

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

310  DF  FASTENINGS {12}
315  DF  .~ Rail anchors {6}
320.~.~ Distorted rail

DEFINITION

Classification: 238/320

Distorted rail-base flanges to prevent creepage.