Home / Standards / GB/T 32177-2015 GB/T 32177-2015 Active Determination of boron oxide in refractory materials 耐火材料中B2O3的测定 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2015-12-10 Implementation 2017-01-01 Responsible Dept 国家标准委 Drafting Unit N/A