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AFNOR
AFNOR
NF P98-421
En Vigor
2018-05-25
Road safety barriers - Steel BN4 safety barriers - Composition,
operation and mounting requirments
AFNOR
NF EN 16272-3-2
En Vigor
2023-10-18
Railway applications - Infrastructure - Noise barriers and related
devices acting on airborne sound propagation - Test method for
determining the acoustic performance - Part 3-2: Normalized railway
noise spectrum and single number ratings for direct sound
AFNOR
NF EN ISO 10012
En Vigor
2026-02-11
Quality management - Requirements for measurement management systems










