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LEON DALLERY
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LEON DALLERY
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Publication of FR396947ApublicationCriticalpatent/FR396947A/fr
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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Engineering & Computer Science
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Chemical & Material Sciences
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FR396947D1908-12-011908-12-01Vélo à changement de vitesse
ExpiredFR396947A
(fr)