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Patents Grantslast 30 patents

Information Patent Grant
Civil engineering anti-seismic structure
- Patent number 11,021,849
- Issue date Jun 1, 2021
- Shenzhen Yaolan Technology Co., Ltd.
- Siyu Qian
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
CIVIL ENGINEERING ANTI-SEISMIC STRUCTURE
- Publication number 20210002846
- Publication date Jan 7, 2021
- SIYU QIAN
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING