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B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M7/00—Motorcycles characterised by position of motor or engine
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FR908344D1944-12-231944-12-23Dispositif d'entrafînement d'une roue quelconque par friction sur sa jante ou sa bande de roulement
ExpiredFR908344A
(fr)