US PATENT SUBCLASS 238 / 89-- .~.~.~.~ Rolled section

US PATENT SUBCLASS 238 / 89
.~.~.~.~ Rolled section

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

29	DF	TIES {9}
83	DF	.~ Nonmetallic {1}
84	DF	.~.~ Plastic compound {2}
85	DF	.~.~.~ Internal reinforcements {8}
89		.~.~.~.~ Rolled section

DEFINITION

Classification: 238/89

Internal-reinforcement members of rolled metallic sections for cement ties.