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Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum; German and English version prEN 1793-3:2023

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German and English version prEN 1793-4:2023

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions; German and English version prEN 1793-5:2023

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditions; German and English version prEN 1793-6:2023

Resilient, Modular mechanical locked floor coverings (MMF) and laminate floor coverings - Assessment of static electrical propensity; German and English version prEN 1815:2024

Flexible sheets for waterproofing - Determination of length, width and straightness - Part 1: Bitumen sheets for roof waterproofing; German and English version prEN 1848-1:2023

Chimneys - Requirements for metal chimneys - Part 1: System chimney products; German and English version prEN 1856-1:2021

Chimneys - Requirements for metal chimneys - Part 2: Metal flue liners and connecting flue pipes; German and English version prEN 1856-2:2021

Glass in building - Heat strengthened soda lime silicate glass - Part 1: Definition and description; German Version prEN 1863-1:2018

Ventilation for buildings - Air handling units - Mechanical performance; German and English version prEN 1886:2024

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