Yushan Chen

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Steel plate with low yield-tensile ratio and high toughness and met...
- Patent number 9,683,275
- Issue date Jun 20, 2017
- Baoshan Iron & Steel Co., Ltd.
- Aiwen Zhang
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
STEEL PLATE WITH LOW YIELD-TENSILE RATIO AND HIGH TOUGHNESS AND MET...
- Publication number 20140144556
- Publication date May 29, 2014
- Baoshan Iron & Steel Co., Ltd
- Aiwen Zhang
- C21 - METALLURGY OF IRON