SOLAR ENERGY USE (BUILDING SERVICES)
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BTBUILDING SERVICES (BUILDINGS)
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UDC696/697*1
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Descriptor GERSONNENENERGIENUTZUNG (GEBÄUDETECHNIK)
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Descriptor ENGSOLAR ENERGY USE (BUILDING SERVICES)
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Descriptor FREUTILISATION DE L'ÉNERGIE SOLAIRE (INSTALLATIONS TECHNIQUES DES BÂTIMENTS)
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Variant GERENERGIENUTZUNG/SONNENENERGIENUTZUNG (GEBÄUDETECHNIK)
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Variant ENGENERGY USE/SOLAR ENERGY USE (BUILDING SERVICES)
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Variant FREÉNERGIE SOLAIRE/UTILISATION DE L'ÉNERGIE SOLAIRE (INSTALLATIONS TECHNIQUES DES BÂTIMENTS)
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RTSOLAR ARCHITECTURE
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RTSOLAR HEATING (BUILDING SERVICES)
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RTHEAT RECOVERY OF NATURAL HEAT SOURCES (HEAT ENGINEERING)