This is the small version of the Bicycle Manual Machine for small wheels and BMX - A brand new product and design with no comparison - Locarno Class 21-02
A Mini Bicycle Manual Manual Machine
2019-01-10
Patent
Electronic Resource
English
BICYCLE MANUAL CONTROL DEVICE, AND BICYCLE ELECTRONIC SYSTEM COMPRISING MANUAL CONTROL DEVICE
European Patent Office | 2018
|The Bicycle : A guide & manual
TIBKAT | 1974
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