US PATENT SUBCLASS 238 / 270
.~.~ With tie
Current as of:
June, 1999
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238 /
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RAILWAYS: SURFACE TRACK
264
DF
RAIL SEATS
{15}
269
DF
.~ Cast {2}
270
.~.~ With tie
DEFINITION
Classification: 238/270
Rail-seats cast integrally with a tie.
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