10 Utility Patents
#150 in Chengdu
#12,945 in China
#406,844 in the World
Forward Citations = 0
Company Filing History:
Southwest Petroleum University
China Railway No. 2 Engineering Group Co. Ltd.
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#150 in Chengdu
#12,945 in China
#406,844 in the World
Company Filing History:
Get your Inventor Badge Today