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ISO/TC 163/SC 1/WG 17
Solar heat gain coefficient of windows and doors
ISO/TC 347/AG 5
Learning and growth
DIN 19631
Leaching of construction products - Percolation method for the examination of the leaching behaviour of materials injected into the soil
DIN EN 1793-4
Road traffic noise reducing devices – Test method for determining the acoustic performance – Part 4: Intrinsic characteristics – Intrinsic sound diffraction; German version EN 1793-4:2025
DIN EN 1793-5
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions; German version EN 1793-5:2025
DIN EN 1793-6
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 version EN 1793-6:2025
EN 1793-4
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction
