Shoumin Wu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Double cold reduction strip for shadow mask and process for produci...
- Patent number 9,623,457
- Issue date Apr 18, 2017
- Baoshan Iron & Steel Co., Ltd.
- Shoumin Wu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE COLD REDUCTION STRIP FOR SHADOW MASK AND PROCESS FOR PRODUCI...
- Publication number 20150099141
- Publication date Apr 9, 2015
- Baoshan Iron & Steel Co., Ltd
- Shoumin Wu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...