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
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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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Transmission Devices
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Steering Devices For Bicycles And Motorcycles
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