Home / Standards / GB/T 1427-2016 GB/T 1427-2016 Active Sample method of carbon material 炭素材料取样方法 Standard Type GBT ICS 29.050 CCS Q50 Status 现行 Issue Date 2016-06-14 Implementation 2017-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A