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E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
E01B29/42—Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components
E01B29/46—Devices for holding, positioning, or urging together the rail ends