Shunhui Tan

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preventing shield casing jamming due to too large fricti...
- Patent number 9,016,983
- Issue date Apr 28, 2015
- China Railway Engineering Equipment Group Co., Ltd.
- Jianbin Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Method for Preventing Shield Casing Catching Due to Too Large Frict...
- Publication number 20140079485
- Publication date Mar 20, 2014
- China Railway Tunneling Equipment Co., Ltd.
- Jianbin Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING