Home / Standards / GB/T 39769-2021 GB/T 39769-2021 Active Determination of forms of sulfur in coke 焦炭中各种形态硫的测定方法 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 国家标准委 Drafting Unit N/A