60°圆锥管螺纹刀具 第3部分：60°圆锥管螺纹丝锥 技术条件
Tools for taper pipe threads with 60°thread angle-Part 3:Taps for taper pipe threads with 60°thread angle-Technical specification
2010-02-21
JB/T 8364.2-2010
60°圆锥管螺纹刀具 第2部分：60°圆锥管螺纹丝锥
Tools for taper pipe threads with 60°thread angle-Part 2:Taps for taper pipe threads with 60°thread angle