Home and Building Electronic Systems (HBES) - Part 2-2: System overview - General technical requirements; German version EN 50090-2-2:1996 + Corrigendum:1997 + A1:2002 + A2:2007
家用和建筑电子系统(HBES).第2-2部分:系统概述.一般技术要求;德文版EN 50090-2-2:1996+勘误表:1997+A1:2002+A2:2007