NA ZHANG

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Linhai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for recycling waste acid produced in process of...
- Patent number 9,527,801
- Issue date Dec 27, 2016
- ZHEJIANG RONGYAO BIOTECH CO., LTD.
- Rener Chen
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process and Device for Recycling Waste Acid Produced in Process of...
- Publication number 20160185711
- Publication date Jun 30, 2016
- Zhejiang Rongyao Biotech CO., LTD.
- RENER CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL