Auxiliary pneumatic system for bicycle

• Main Author: ZHANG, RUI-RONG
• Format: Patent
• Language: Chinese; English
• Published: 21.05.2020
• Subjects: CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; POWERED PROPULSION OF SLEDGES OR; RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES; TRANSPORTING