FR761237A -
Device adapting to bicycles, tricycles, tandems, etc., to increase their speed and reduce the force necessary for their actuation
- Google Patents
Device adapting to bicycles, tricycles, tandems, etc., to increase their speed and reduce the force necessary for their actuation
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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
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Engineering & Computer Science
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Chemical & Material Sciences
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Combustion & Propulsion
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Transportation
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Mechanical Engineering
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FR761237D1933-07-211933-07-21
Device adapting to bicycles, tricycles, tandems, etc., to increase their speed and reduce the force necessary for their actuation
ExpiredFR761237A
(en)