Home / Standards / GB/T 23561.1-2024 GB/T 23561.1-2024 Active Methods for determining the physical and mechanical properties of coal and rock—Part 1: General requirements for sampling 煤和岩石物理力学性质测定方法 第1部分:采样一般规定 Standard Type GBT ICS 73.010 CCS D 04 Status 现行 Issue Date 2024-04-25 Implementation 2024-08-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A