EN 61249-2-2-2005 印制板和其它互连结构用材料.第2-2部分:包覆和未包覆增强基材.高电气级包铜酚醛纤维素纸增强叠层板材 IEC 61249-2-2-2005
Materials for printed boards and other interconnecting structures Part 2-2: Reinforced base materials, clad and unclad - Phenolic cellulose paper reinforced laminate sheets, high electrical grade, copper-clad