Ruiji YI

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Underwater repair system for cavity region of concrete panel rock-f...
- Patent number 11,198,984
- Issue date Dec 14, 2021
- NANJING HYDRAULIC RESEARCH INSTITUTE UNDER THE MINISTRY OF WATER RESOURCES, T...
- Yingli Wu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
UNDERWATER REPAIR SYSTEM FOR CAVITY REGION OF CONCRETE PANEL ROCK-F...
- Publication number 20210164183
- Publication date Jun 3, 2021
- NANJING HYDRAULIC RESEARCH INSTITUTE UNDER THE MINISTRY OF WATER RESOURCES, T...
- Yingli WU
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING