DIN EN 61249-2-23:2005-08
Действует
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
— 19 стр.
