Home / Standards / GB/T 23294-2021 GB/T 23294-2021 Active Abrasion resistant refractory materials 耐磨耐火材料 Standard Type GBT ICS 81.080 CCS Q44 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家标准委 Drafting Unit N/A