Yongping Rao

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Nanchang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Combined furnace system for fire refining red impure copper
- Patent number 9,464,845
- Issue date Oct 11, 2016
- Jiangxi Rare Earth and Rare Metals Tungsten Group Corporation
- Bingyan Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
COMBINED FURNACE SYSTEM FOR FIRE REFINING RED IMPURE COPPER
- Publication number 20140102660
- Publication date Apr 17, 2014
- Jiangxi Rare Earth and Rare Metals Tungsten Group Corporation
- Bingyan Zhang
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...