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CPC
E01B31/06
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Parent Industries
E
FIXED CONSTRUCTIONS
E01
Road, railway construction
E01B
PERMANENT WAY PERMANENT-WAY TOOLS MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B31/00
Working rails, sleepers, baseplates, or the like, in or on the line Machines, tools, or auxiliary devices specially designed therefor
Current Industry
E01B31/06
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