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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
B62M1/18—Rider propulsion of wheeled vehicles by movement of rider's saddle
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FR31370D1925-12-151925-12-15Appareil récupérateur de cahots subis par un cycle en vue d'aider à sa propulsion
ExpiredFR31370E
(fr)