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last 30 patents
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Patent Grant
Combined rock-breaking TBM tunneling method in complex strata for r...
Patent number
11,486,249
Issue date
Nov 1, 2022
INSTITUTE OF ROCK AND SOIL MECHANICS, CAS
Hui Zhou
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
COMBINED ROCK-BREAKING TBM TUNNELING METHOD IN COMPLEX STRATA FOR R...
Publication number
20210003009
Publication date
Jan 7, 2021
Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
Hui ZHOU
E21 - EARTH DRILLING MINING