Home / Standards / GB/T 3668.3-1983 GB/T 3668.3-1983 Active Modular units for machine tool construction--Rotary tables and multi-sided centre bases for rotary tables--Dimensions 组合机床通用部件 回转工作台和回转工作台用多边形中间底座尺寸 Standard Type GBT ICS 25.060 CCS J58 Status 现行 Issue Date 1983-05-09 Implementation 1984-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A