5 Utility Patents
#4,144 in Shenzhen
#27,021 in China
#826,260 in the World
Forward Citations = 0
Company Filing History:


Shenzhen Okk Electronic Technology Co., Ltd.
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#4,144 in Shenzhen
#27,021 in China
#826,260 in the World
Company Filing History:


Get your Inventor Badge Today