13 Utility Patents
#117 in Nanjing
#9,459 in China
#296,533 in the World
Forward Citations = 4
Company Filing History:
Nanjing Tech University

China Construction Industrial & Energy Engineering Group Co., Ltd.
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#117 in Nanjing
#9,459 in China
#296,533 in the World
Company Filing History:

Get your Inventor Badge Today