5 Utility Patents
#4,247 in Shanghai
#27,021 in China
#826,260 in the World
Forward Citations = 1
Company Filing History:
Shanghai Huachang Environmental Protection Co., Ltd.
East China University of Science and Technology
Shanghai Huachang Enviromental Protection Co. Ltd.
4. 1 out of 1
Engineering Technology Research Center, Fushun Mining Group Co., Ltd.
5. 1 out of 3
Research Institute of Nanjing Chemical Industrial Group
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