Mengzhuo LI

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Jiaozuo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Distributed coal cutting device for longwall face of coal mine
- Patent number 12,049,824
- Issue date Jul 30, 2024
- Ruifu Yuan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DISTRIBUTED COAL CUTTING DEVICE FOR LONGWALL FACE OF COAL MINE
- Publication number 20230340877
- Publication date Oct 26, 2023
- Henan Polytechnic University
- Ruifu YUAN
- E21 - EARTH DRILLING MINING