Home / Standards / GB/T 24521-2018 GB/T 24521-2018 Active Method for the determination of specific resistance of carbon raw materials and coke 炭素原料和焦炭电阻率测定方法 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 2018-05-14 Implementation 2019-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A