Guoqiang Dai

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Uncoiling, blanking and forming method
- Patent number 9,815,104
- Issue date Nov 14, 2017
- Baoshan Iron & Steel Co., Ltd.
- Chengguo Jin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
UNCOILING, BLANKING AND FORMING METHOD
- Publication number 20160030995
- Publication date Feb 4, 2016
- Baoshan Iron & Steel Co., Ltd
- Chengguo Jin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...