IEC 61249-2-21:2003
印制板和其他互联结构用材料.第2-21部分:包被和非包被增强基材.阻燃型(垂直燃烧试验)铜包被的非卤化环氧编织E型玻璃纤维增强层压板
Materials for printed boards and other interconnection structures - Part 2-21: Reinforced base materials, clad and unclad; Non-halogenated epoxide woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad