DIN EN 61249-2-1:2005-08
Действует
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
— 17 стр.