IEC 60893-3-1:2003
绝缘材料.电工用热固性树脂工业硬质层压片.第3-1部分:专用材料规范.对工业硬质层压片类型的要求
Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 3-1: Specifications for individual materials; Requirements for types of industrial rigid laminated sheets