8 Utility Patents
#198 in Chengdu
#16,194 in China
#517,068 in the World
Forward Citations = 4
Company Filing History:
Southwest Petroleum University
China University of Geosciences (wuhan)
Liangshan Branch of Sichuan Tobacco
4. 2 out of 2
Sichuan Branch of China Tobacco
5. 1 out of 230
Sichuan University
where one patent can have more than one assignee
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