Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01B
PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
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29/00
Laying, rebuilding, or taking-up tracks; Tools or machines therefor
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E01B29/16
Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
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E01B29/17
Lengths of rails assembled into strings, e.g. welded together
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