Home / Standards / GB/T 21944.1-2022 GB/T 21944.1-2022 Active Special products of silicon carbide—Kiln furniture of reaction bonded silicon carbide—Part 1：Beams 碳化硅特种制品 反应烧结碳化硅窑具 第1部分：方梁 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A