Baozong CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Mixing and guniting device of new type for TBM
- Patent number 10,648,333
- Issue date May 12, 2020
- Ying Zhu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mixing and Guniting Device of New Type for TBM
- Publication number 20200003056
- Publication date Jan 2, 2020
- CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO., LTD.
- Ying ZHU
- E21 - EARTH DRILLING MINING