9 Utility Patents
#166 in Chengdu
#14,410 in China
#456,385 in the World
Forward Citations = 3
Company Filing History:
Sichuan University
Chengdu University
Research Institute of Petroleum Exploration & Development, Petrochina Company Limited
4. 1 out of 1
Chengdu Univerisity of Technology
where one patent can have more than one assignee
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