ÖVE/ÖNORM EN 60763-3-1:2011-10
Действует
Laminated pressboard for electrical purposes - Part 3: Specifications for individual materials - Sheet 1: Requirements for laminated precompressed pressboard, Types LB 3.1A.1 and 3.1A.2 (IEC 60763-3-1:2010) (english version)
