US PATENT SUBCLASS 238 / 74-- .~.~.~.~ Separate lid and bottom

US PATENT SUBCLASS 238 / 74
.~.~.~.~ Separate lid and bottom

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

29	DF	TIES {9}
54	DF	.~ Cross section {6}
70	DF	.~.~ Tubular {4}
72	DF	.~.~.~ Rectangular {6}
74		.~.~.~.~ Separate lid and bottom

DEFINITION

Classification: 238/74

Ties of rectangular box form having separately-formed top and bottom plates.