Home / Standards / GB/T 34332-2017 GB/T 34332-2017 Active Chemical analysis of magnesite and dolomite refractory products 菱镁矿和白云石耐火制品化学分析方法 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2017-10-14 Implementation 2018-09-01 Responsible Dept 国家标准委 Drafting Unit N/A