Home / Standards / GB/T 33686-2017 GB/T 33686-2017 Active General rules for analytical and testing methods of coal mine water 煤矿水水质分析的一般规定 Standard Type GBT ICS 13.060.30 CCS Z23 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A