Home / Standards / GB/T 17421.3-2009 GB/T 17421.3-2009 Active Test code for machine tools - Part 3: Determination of thermal effects 机床检验通则 第3部分：热效应的确定 Standard Type GBT ICS 25.080.01 CCS J50 Status 现行 Issue Date 2009-04-13 Implementation 2010-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A