Yihan ZHANG

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Changsha, CN

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Patents Applicationslast 30 patents

Information Patent Application
GEO-ACOUSTIC EVENT LOCATION METHOD AND INSTABILITY DISASTER EARLY W...
- Publication number 20230324575
- Publication date Oct 12, 2023
- Central South University
- Longjun DONG
- G01 - MEASURING TESTING
Information Patent Application
ROCK-PIERCING FLEXIBLE ROCK DRILLING ROBOT AND ROCK BREAKING METHOD
- Publication number 20230059714
- Publication date Feb 23, 2023
- Central South University
- Longjun DONG
- E21 - EARTH DRILLING MINING