Home / Standards / GB/T 21948.2-2008 GB/T 21948.2-2008 Active Test conditions for CNC milling machines with table of variable height - Testing of accuracy - Part 2: Machines with vertical spindle 数控升降台铣床检验条件 精度检验 第2部分：立式铣床 Standard Type GBT ICS 25.080.20 CCS J54 Status 现行 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会