12 Utility Patents
#3,756 in Beijing
#10,450 in China
#327,534 in the World
Forward Citations = 0
Company Filing History:
Cnpc Engineering Technology R&d Company Limited


4. 2 out of 28
China Telecom Corporation Limited
5. 2 out of 2
Beijing Rslaser Opto-electronics Technology Co., Ltd.
where one patent can have more than one assignee
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