17 Utility Patents
#2,701 in Beijing
#6,895 in China
#209,916 in the World
Forward Citations = 13
Company Filing History:

Beijing Dajia Internet Information Technology Co., Ltd.
Siemens Aktiengesell Schaft
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#2,701 in Beijing
#6,895 in China
#209,916 in the World
Company Filing History:

Get your Inventor Badge Today