Energy performance of buildings - Energy requirements for lighting - Part 1: Specifications, Module M9; German version EN 15193-1:2017+A1:2021
German title
Energetische Bewertung von Gebäuden - Energetische Anforderungen an die Beleuchtung - Teil 1: Spezifikationen, Modul M9; Deutsche Fassung EN 15193-1:2017+A1:2021
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