EN 61249-4-17. Materials for printed boards and other interconnecting structures. Part 4-17. Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards). Non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-fr
EN 61249-4-17 印制板和其他互连结构用材料 第4-17部分 未包覆预浸料分规范（多层板制造用） 铅阻燃剂用规定可燃性（垂直燃烧试验）的非卤化环氧编织E-玻璃预浸料