Weijian Hu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Integral rescue accessory for forcible entry and core drill
- Patent number 10,245,758
- Issue date Apr 2, 2019
- Jing Zhao
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Integral rescue accessory for forcible entry and core drill
- Publication number 20180194036
- Publication date Jul 12, 2018
- BEIJING UNIVERSITY OF TECHNOLOGY
- Jing Zhao
- B28 - WORKING CEMENT, CLAY, OR STONE