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Switches Frogs Crossings
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Industry
CPC
E01B25/34
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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
E01B25/00
Tracks for special kinds of railways
Current Industry
E01B25/34
Switches Frogs Crossings
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