Home / Standards / GB/T 21944.3-2008 GB/T 21944.3-2008 Abolished Special products of silicon carbide - Kiln furniture of reaction bonded silicon carbide - Part 3:Rollers 碳化硅特种制品 反应烧结碳化硅窑具 第3部分:辊棒 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A