Home / Standards / GB/T 6471-1986 GB/T 6471-1986 Abolished Internal cylindrical grinding machines--Parameters 内圆磨床参数 Standard Type GBT ICS 25.080.50 CCS J55 Status 废止 Issue Date 1986-06-11 Implementation 1987-05-01 Responsible Dept N/A Drafting Unit N/A