Zhaofeng Wang

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Kunming, CN

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Patents Applicationslast 30 patents

Information Patent Application
ACTIVE CONTROL METHOD AND DEVICE FOR LARGE DEFORMATION OF DEEP THIN...
- Publication number 20240141786
- Publication date May 2, 2024
- HUANENG LANCANG RIVER HYDROPOWER INC.
- Hua Zhou
- E21 - EARTH DRILLING MINING
Information Patent Application
ZONAL BOLT-GROUTING SUPPORT DEVICE AND METHOD FOR CATACLASTIC ROCK...
- Publication number 20240141785
- Publication date May 2, 2024
- POWERCHINA Kunming Engineering Corporation Limited
- Guojin Zhu
- E21 - EARTH DRILLING MINING