BS EN IEC 61249-6-3:2023
印刷板和其他互连结构材料 第6-3部分:增强材料分规范集-印刷板用“E”玻璃编织的成品织物规范
Materials for printed boards and other interconnecting structures Part 6 - 3 : Sectional specification set for reinforcement materials — Specification for finished fabric woven from " E " glass for printed boards