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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
B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
B62M6/40—Rider propelled cycles with auxiliary electric motor
B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
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FR867747D1940-11-201940-11-20Dispositif de propulsion pour cycles et analogues
ExpiredFR867747A
(fr)