Home / Standards / GB/T 9208-1988 GB/T 9208-1988 Abolished Spherical hardmetal hurrs 硬质合金圆球形旋转锉 Standard Type GBT ICS 25.100.60 CCS J41 Status 废止 Issue Date 1988-05-27 Implementation 1989-01-01 Responsible Dept N/A Drafting Unit N/A