Registration number (WIID)Project No.TitleStatus
11748LVS EN 1794-2:2003Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirementsAtcelts
11530LVS EN 1794-2:2001Road traffic noise reducing devices - Non-acoustic performance - Part 2: General safety and environmental requirementsAtcelts
10931LVS EN 1794-1:2003Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirementsAtcelts
11563LVS EN 1794-1:2001Road traffic noise reducing devices - Non-acoustic performance - Part 1: Mechanical performance and stability requirementsAtcelts
10096LVS EN 1793-3:2002 LRoad traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrumStandarts spēkā
10973LVS EN 1793-2:2002 LRoad traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulationAtcelts
11001LVS EN 1793-1:2002 LRoad traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorptionAtcelts
10478LVS EN 1790:2001Road marking materials - Preformed roads markingsAtcelts
12097LVS EN 1744-4:2007 LTests for chemical properties of aggregates - Part 4: Determination of water susceptibility of fillers for bituminous mixturesAtcelts
11011LVS EN 1744-3:2003Tests for chemical properties of aggregates - Part 3: Preparation of eluates by leaching of aggregatesStandarts spēkā
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