Fangqiang Wei

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Chengdu, Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Debris flow drainage channel with step pool structure and its appli...
- Patent number 9,834,898
- Issue date Dec 5, 2017
- INSTITUTE OF MOUNTAIN HAZARDS AND ENVIRONMENT CHINESE ACADEMY OF SCIENCES
- Xiaoqing Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
DEBRIS FLOW DRAINAGE CHANNEL WITH STEP POOL STRUCTURE AND ITS APPLI...
- Publication number 20160312425
- Publication date Oct 27, 2016
- INSTITUTE OF MOUNTAIN HAZARDS AND ENVIRONMENT CHINESE ACADEMY OF SCIENCES
- Xiaoqing Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES