Zhuangzhuang ZHENG

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Qingdao, CN

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Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR TESTING GAS LOSS AMOUNT WHICH SIMULATES WIREL...
- Publication number 20250123257
- Publication date Apr 17, 2025
- China University of Petroleum(East China)
- Xianmin ZHANG
- G01 - MEASURING TESTING
Information Patent Application
DEVICE AND METHOD FOR TESTING GAS LOSS AMOUNT WHICH SIMULATES WIREL...
- Publication number 20250116586
- Publication date Apr 10, 2025
- CHINA UNIVERSITY OF PETROLEUM(EAST CHINA)
- Xianmin ZHANG
- E21 - EARTH DRILLING MINING