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Priority to JP1972089302UpriorityCriticalpatent/JPS575271Y2/ja
Publication of JPS4946451UpublicationCriticalpatent/JPS4946451U/ja
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Publication of JPS575271Y2publicationCriticalpatent/JPS575271Y2/ja
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