GB/T 23561.12-2024
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23561.12-2024
Methods for determination of physical and mechanical properties of coal and rock - Part - 12 -: -Method for determination of the solidity coefficient of coal 煤和岩石物理力学性质测定方法-第-12-部分:-煤的坚固性系数测定方法
Issued Date:2024/8/23
Implemented Date:2025/3/1
Issued by:
The Standardization Administration of the People's Republic of China