美利体育登录入口官网:KS C IEC 60893-3-7:2015
绝缘材料 电工用热固性树脂工业硬质层压片 第3-7部分:专用材料规范 聚酰亚胺树脂基刚性层压片的要求
Specification for industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 3: Specifications for individual materials - Sheet 7: Requirements for rigid laminated sheets based on polyimide resins