3 Bilder zum Thema "Verluste an der B" bei ClipDealer

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Bã € r bull and rsens bã ¶ symbols with gold b
Buildings energy efficiency. Concept image with home thermally insulated with polystyrene walls and energy classes according to the new European law in concerning energy efficiency which provides 10 energy efficiency classes.
Buildings energy efficiency concept with a digital tablet with home and energy classes according to the new European law - Isolated on white.

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