7 Utility and 6 Design Patents
#57 in Qinhuangdao
#19,166 in China
#598,480 in the World
rank by utility patentsForward Citations = 3
Company Filing History:
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#57 in Qinhuangdao
#19,166 in China
#598,480 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today