KS C IEC 61212-3-1-2015(2020) 绝缘材料电工用热固性树脂基工业硬质圆层压管和棒第3部分:单项材料规范活页1:圆层压轧管
Insulating materials-Industrial rigid round laminated tubes and rods based on thermosetting resins for electrical purposes-Part 3:Specifications for individual materials-Sheet 1:Round laminated rolled