Home / Standards / GB/T 5070-2015 GB/T 5070-2015 Active Chemical analysis of refractories containing chrome 含铬耐火材料化学分析方法 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2015-12-10 Implementation 2016-07-01 Responsible Dept 国家标准委 Drafting Unit N/A