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The preparation of macromolecular monomer of polycarboxylic acid water reducing agent using waste lithium battery

Release time:2018-10-08 Author:admin
Certificate for inventor's patent invention issued by 
State Intellectual Property Office of the People's Republic of China
"The preparation of macromolecular monomer of polycarboxylic acid water reducing agent using waste lithium battery" 

was awarded the certificate of invention patent.