KS C IEC 61249-4-1-2022 印刷板和其他互连结构用材料 第4-1部分:未包层预浸料分规范(用于制造多层板) 规定可燃性的环氧编织无碱玻璃预浸料
Materials for printed boards and other interconnecting structures-Part 4-1:Sectional specification set for prepreg materials, unclad(for the manufacture of multilayer boards)-Epoxide woven E-glass prepreg of defined flammability