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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
B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
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FR61319D1951-01-301951-01-30Moyeu roue libre de bicyclette à pédalage alterné
ExpiredFR61319E
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