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last 30 patents
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Patent Application
DEVICE AND METHOD FOR DYNAMIC CRACK DETECTION
Publication number
20250231144
Publication date
Jul 17, 2025
China Oil & Gas Pipeline Network Corporation
Rui LI
G01 - MEASURING TESTING
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Patent Application
METHOD, DEVICE AND EQUIPMENT FOR DETECTING AXIAL PIPE STRESS BASED...
Publication number
20250198859
Publication date
Jun 19, 2025
China Oil & Gas Pipeline Network Corporation
Pengchao CHEN
G01 - MEASURING TESTING