惠氏螺纹刀具 第7部分:滚丝轮
Tool for whitworth threads. Part 7:Thread rolling cylindrical dies
2011-12-20
JB/T 10231.22-2006
刀具产品检测方法 第22部分:搓丝板
Tool inspection methods--Part 22:Thread rolling flat dies
2006-09-14
JB/T 8364.5-2010
60°圆锥管螺纹刀具 第5部分:60°圆锥管螺纹滚丝轮
Tools for taper pipe threads with 60°thread angle. Part 5:Thread rolling cylindrical dies for taper pipe threads with 60°deg.thread angle