NF P62-506*NF EN 17317:2020 Resilient, textile, laminate and modular mechanical locked floor coverings - Light reflectance value (LRV) of a flooring surface
2020NF P62-506*NF EN 17317:2020 Resilient, textile, laminate and modular mechanical locked floor coverings - Light reflectance value (LRV) of a flooring surface