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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
B61G3/02—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with interengaging movably-mounted hooks or links guided into alignment by a gathering device, e.g. "Dowty" type
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FR431601D1911-06-261911-06-26Système d'attelage automatique pour wagons de chemins de fer, tramways, etc.
ExpiredFR431601A
(fr)