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Inventor
JIAN YONG
CN
2 patents
Patents
2 patents
US11047236B2
Jun 29, 2021
Filling mining method for fully-mechanized top coal caving working face
UNIV SHANDONG SCIENCE & TECH
2 citations
68
US10787906B2
Sep 29, 2020
Roadway forming method by expanding excavating and filling gangue paste in thick coal seam
UNIV SHANDONG SCIENCE & TECH
2 citations
59