Home / Standards / GB/T 33690-2017 GB/T 33690-2017 Active Test method of coal liquefaction activity by autoclave 煤炭液化反应性的高压釜试验方法 Standard Type GBT ICS 73.040 CCS D20 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