DS/EN 60893-3-4/A1:2013
絕緣材料 電氣用熱固性樹脂工業剛性層壓板 第 3-4 部分:個別材料規范 酚醛樹脂基剛性層壓板的要求
Insulating materials - Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 3-4: Specifications for individual materials - Requirements for rigid laminated sheets based on phenolic resins