Materials for printed boards and other interconnecting structures - Part 2-1: Reinforced base materials, clad and unclad - Phenolic cellulose paper reinforced laminated sheets, economic grade, copper clad (IEC 61249-2-1:2005); German version EN 61249-2-1:2005
印制板和其他互连结构用材料.第2-1部分:包层和非包层增强基材.包铜经济级酚醛纤维素纸增强层压板(IEC 61249-2-1-2005);德文版EN 61249-2-1:2005