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Patent Grant
Method for constructing pumping-injection well of groundwater reser...
Patent number
11,673,747
Issue date
Jun 13, 2023
China University of Mining and Technology
Shuzhao Chen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
METHOD FOR CONSTRUCTING PUMPING-INJECTION WELL OF GROUNDWATER RESER...
Publication number
20230030574
Publication date
Feb 2, 2023
CHINA UNIVERSITY OF MINING AND TECHNOLOGY
Shuzhao CHEN
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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