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Liaoning, CN

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Patents Grantslast 30 patents

Information Patent Grant
Prediction method for coal and gas outburst based on comparing bore...
- Patent number 11,674,381
- Issue date Jun 13, 2023
- CHINA COAL TECHNOLOGY & ENGINERRING GROUP SHENYANG ENGINEERING COMPANY
- Rui Zhou
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PREDICTION METHOD FOR COAL AND GAS OUTBURST BASED ON COMPARING BORE...
- Publication number 20220316323
- Publication date Oct 6, 2022
- CHINA COAL TECHNOLOGY&ENGINEERING GROUP SHENYANG ENGINEERING COMPANY
- Rui ZHOU
- E21 - EARTH DRILLING MINING