Sicheng Jia

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and construction method of single-layer lining tunnel struct...
- Patent number 11,821,316
- Issue date Nov 21, 2023
- BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO. LIMITED
- Yonggang Jia
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND CONSTRUCTION METHOD OF SINGLE-LAYER LINING TUNNEL STRUCT...
- Publication number 20230349291
- Publication date Nov 2, 2023
- BEJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO. LIMITED
- Yonggang Jia
- E21 - EARTH DRILLING MINING