DIRT-PROTECTING GUARD FOR VARIABLE SPEED BICYCLE

The utility model relates to an anti-pollution protection baffle plate of a variable speed bicycle, which is arranged on the front upper side of a big chain wheel of a variable speed bicycle. The anti-pollution protection baffle plate of a variable speed bicycle can be made to a groove-shaped semici...

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1. Verfasser: DAI SHAOXIA
Format: Patent
Sprache:eng
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