US PATENT SUBCLASS 238 / 115
.~ Concrete block

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

109  DF  PEDESTALS {7}
115.~ Concrete block {2}
116  DF  .~.~> Chair bar
117  DF  .~.~> Bar core

DEFINITION

Classification: 238/115

Each rail is supported on a concrete block.