5 Utility Patents
#7,741 in Beijing
#26,815 in China
#824,329 in the World
Forward Citations = 2
Company Filing History:
Beijing Dajia Internet Information Technology Co., Ltd.
Nanjing Yuyan Information Technology Ltd.
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#7,741 in Beijing
#26,815 in China
#824,329 in the World
Company Filing History:
Get your Inventor Badge Today