Home / Standards / GB/T 20958.1-2007 GB/T 20958.1-2007 Active Test conditions for CNC bed-type milling machines - Testing of the accuracy - Part 1: Milling machines with horizontal spindle 数控床身铣床检验条件 精度检验 第1部分: 卧式铣床 Standard Type GBT ICS 25.080.20 CCS J54 Status 现行 Issue Date 2007-06-25 Implementation 2007-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A