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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
B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
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FR689049D1930-01-291930-01-29Nouveau dispositif de commande de l'arbre de transmission d'une motocyclette, d'un triporteur ou d'une automobile
ExpiredFR689049A
(fr)
Dispositif permettant de faire tourner un arbre, transmettant un couple quelconque, avec une vitesse angulaire proportionnelle à la vitesse relative d'un fluide