Zhaohui Dong

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Xi'an, CN

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Patents Grantslast 30 patents

Information Patent Grant
Whole-space drilling-grouting integrated device
- Patent number 12,352,003
- Issue date Jul 8, 2025
- Shandong University
- Shucai Li
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Multi-pump linkage grouting operating system
- Patent number 12,343,902
- Issue date Jul 1, 2025
- Shandong University
- Mengtian Li
- B28 - WORKING CEMENT, CLAY, OR STONE