Chaoxuan ZHANG

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Xi'an, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for deformation control of large-span tunnel in chlorite sch...
- Patent number 10,280,749
- Issue date May 7, 2019
- CHANG'AN UNIVERISTY
- Jianxun Chen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for Deformation Control of Large-span Tunnel in Chlorite Sch...
- Publication number 20190071968
- Publication date Mar 7, 2019
- CHANG'AN UNIVERSITY
- Jianxun CHEN
- E21 - EARTH DRILLING MINING