Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B61
RAILWAYS
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B61G
COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
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1/00
Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
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B61G1/02
having links or bars coupling or uncoupling by rotating around a transverse horizontal axis
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B61G1/06
and coupling when the coupling halves are pushed together
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