Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B61
RAILWAYS
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B61K
AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
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5/00
Apparatus for placing vehicles on the track; Derailers; Lifting or lowering rail vehicle axles or wheels
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B61K5/04
Devices secured to the track
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B61K5/06
Derailing or re-railing blocks
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