LONG MENG

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BEIJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for retrieving valuable metals step by step fr...
- Patent number 10,655,198
- Issue date May 19, 2020
- Zhancheng Guo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR RETRIEVING VALUABLE METALS STEP BY STEP FR...
- Publication number 20180187285
- Publication date Jul 5, 2018
- University of Science and Technology Beijing
- ZHANCHENG GUO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...