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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for testing bearing capacity of grouped pillars i...
Patent number
11,835,491
Issue date
Dec 5, 2023
Taiyuan University of Technology
Guorui Feng
G01 - MEASURING TESTING
Information
Patent Grant
Flexible sanding device for cylinder rock specimen
Patent number
11,203,095
Issue date
Dec 21, 2021
Taiyuan University of Technology
Zhixin Jin
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
Device And Method For Testing Bearing Capacity Of Grouped Pillars I...
Publication number
20220244153
Publication date
Aug 4, 2022
Taiyuan University of Technology
Guorui FENG
G01 - MEASURING TESTING
Information
Patent Application
FLEXIBLE SANDING DEVICE FOR CYLINDER ROCK SPECIMEN
Publication number
20190168357
Publication date
Jun 6, 2019
Taiyuan University of Technology
Zhixin JIN
B24 - GRINDING POLISHING