Home / Standards / GB/T9217.2-2005 GB/T9217.2-2005 Carbide rotary burs — Part 2: Cylindrical rotary burs 硬质合金旋转锉 第2部 分:圆柱形旋转锉 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A