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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
B62M1/00—Rider propulsion of wheeled vehicles
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FR810053D1936-07-231936-07-23Amplificateur de traction pour bicyclette, motocyclette, tous véhicules et bateaux
ExpiredFR810053A
(fr)