Materials for printed boards and other interconnecting structures - Part 2-23: Reinforced base materials, clad and unclad - Non-halogenated phenolic cellulose paper reinforced laminated sheets, economic grade, copper-clad (IEC 61249-2-23:2005); German version EN 61249-2-23:2005
印制板和其他互连结构用材料.第2-23部分:包覆和非包覆增强基材.经济级覆铜非卤化酚醛纤维素纸增强层压板(IEC 61249-2-23-2005);德文版EN 61249-2-23:2005