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B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
B61G3/16—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling heads rigidly connected by rotatable hook plates or discs and balancing links, the coupling members forming a parallelogram, e.g. "Scharfenberg" type
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FR443148D1911-05-151912-04-30Dispositif d'attelage automatique pour voitures de chemins de fer, de tramways et autres
ExpiredFR443148A
(fr)