Home / Standards / GB/T 42035-2022 GB/T 42035-2022 Active Determination of pore size distribution of coal and rock—Nuclear magnetic resonance 煤和岩石孔径分布的测定 核磁共振法 Standard Type GBT ICS 73.040 CCS D21 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A