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Publication of BE723907ApublicationCriticalpatent/BE723907A/fr
B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
B60D1/54—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting collapsible or retractable when not in use, e.g. hide-away hitches
Vehicules a deux roues avec dispositif de blocage d'un objet en general, et en particulier d'un casque de protection, sur la structure de ce vehicule