DIN EN 61249-4-18:2014-07
印刷板和其他互連結構的材料 第4-18部分:未包層預浸材料的分規范集
Materials for printed boards and other interconnecting structures - Part 4-18: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - High performance epoxide woven E-glass prepreg of defined flammability...