Home / Standards / GB/T 35985-2018 GB/T 35985-2018 Active Calculation of analyses to different bases for coal 煤炭分析结果基的换算 Standard Type GBT ICS 73.040 CCS D21 Status 现行 Issue Date 2018-02-06 Implementation 2018-09-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A