14 Utility Patents
#3,246 in Beijing
#8,676 in China
#270,606 in the World
Forward Citations = 30
Company Filing History:

China University of Petroleum

4. 1 out of 3,067

5. 1 out of 42,470

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#3,246 in Beijing
#8,676 in China
#270,606 in the World
Company Filing History:




Get your Inventor Badge Today