GOST R55738-9-2013  短周期电弧螺柱焊用焊接螺母柱(IS型浅内螺纹螺柱)表9

Threaded studs with flange and stud with internal thread for short-drawn arc stud welding--IS type shallowly internal screw stud-Table 9

标准类型 / 国家：GOST/俄国