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Publication of FR841280ApublicationCriticalpatent/FR841280A/en
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
B62M3/00—Construction of cranks operated by hand or foot
B62M3/02—Construction of cranks operated by hand or foot of adjustable length
B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting
FR841280D1938-07-281938-07-28
Combined transmission by pedals and levers for bicycles or the like
ExpiredFR841280A
(en)