KS C IEC 60893-3-4:2003 绝缘材料.电工用热固性树脂工业硬质层压片.第3-4部分:专用材料规范.酚醛树脂硬质层压片的要求
Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes-Part 3:Specifications for individual materials-Sheet 4:Requirements for rigid laminated sheets based on phenolic resins