EN 491 : Dach- und Formsteine aus Beton für Dächer und Wandbekleidungen - Prüfverfahren.
Norm EN-491-DE
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Standards & Regulations
Norm EN-ISO-10140-5-EN
EN ISO 10140-5 : Acoustics - Laboratory measurement of sound insulation of building elements - Part 5: Requirements for test facilities and equipment (ISO 10140-5:2021).
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Norm EN-ISO-10140-4-EN
EN ISO 10140-4 : Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (ISO 10140-4:2021).
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Norm EN-ISO-10140-1-EN
EN ISO 10140-1 : Acoustics - Laboratory measurement of sound insulation of building elements - Part 1: Application rules for specific products (ISO 10140-1:2021).
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