Yongfa HUANG

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Zaozhuang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Debris flow anti-collision device with high-speed water curtain for...
- Patent number 12,071,734
- Issue date Aug 27, 2024
- West China Normal University
- Hongkai Chen
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
DEBRIS FLOW ANTI-COLLISION DEVICE WITH HIGH-SPEED WATER CURTAIN FOR...
- Publication number 20240068184
- Publication date Feb 29, 2024
- ZAOZHUANG UNIVERSITY
- Hongkai CHEN
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES