Home / Standards / GB/T 16457.2-2009 GB/T 16457.2-2009 Abolished Blanks for superabrasive cutting-off wheels - Dimensions - Part 2：Hand-held cutting-off in building and civil engineering 超硬材料锯片基体尺寸 第2部分：用于建筑物和土木工程材料的手持切割 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 2009-04-23 Implementation 2009-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会