Home / Standards / GB/T 38395-2019 GB/T 38395-2019 Active Coal tar—Determination of sulfur and nitrogen content 煤焦油 硫和氮含量的测定 Standard Type GBT ICS 71.080 CCS G18 Status 现行 Issue Date 2019-12-31 Implementation 2020-07-01 Responsible Dept 国家标准委 Drafting Unit N/A