Kegong FAN

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Kind of no-pillar and gob-side entry retaining mining and construct...
- Patent number 11,746,654
- Issue date Sep 5, 2023
- Shandong University of Science and Technology
- Qihua Ma
- E21 - EARTH DRILLING MINING
Information Patent Grant
Asymmetric support structure of entry driven along gob-side under u...
- Patent number 10,443,380
- Issue date Oct 15, 2019
- Shandong University of Science and Technology
- Kegong Fan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
A Kind of No-Pillar and Gob-Side Entry Retaining Mining and Constru...
- Publication number 20230103613
- Publication date Apr 6, 2023
- Shandong University of Science and Technology
- Qihua MA
- E21 - EARTH DRILLING MINING
Information Patent Application
ASYMMETRIC SUPPORT STRUCTURE OF ENTRY DRIVEN ALONG GOB-SIDE UNDER U...
- Publication number 20190218910
- Publication date Jul 18, 2019
- Shandong University of Science and Technology
- Kegong FAN
- E21 - EARTH DRILLING MINING