Home / Standards / GB/T 42867-2023 GB/T 42867-2023 Active Technical guidelines for comprehensive utilization of pre-drainage water 煤矿预排水综合利用技术导则 Standard Type GBT ICS 13.020.01 CCS P41 Status 现行 Issue Date 2023-08-06 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A