Home and Building Electronic Systems (HBES) - Part 2-2: System overview; general technical requirements; German version EN 50090-2-2:1996 + Corrigendum 1997
German title
Elektrische Systemtechnik für Heim und Gebäude (ESHG) - Teil 2-2: Systemübersicht; Allgemeine technische Anforderungen; Deutsche Fassung EN 50090-2-2:1996 + Corrigendum 1997
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