GB/T 24328.8-2020卫生纸及其制品第8部分:光学性能的测定亮度和颜色的测定D65/10°(室外日光条件)标准
英文:Tissue paper and tissue products—Part 8: Determination of optical properties—Measurement of brightness and colour—D65...
英文:Tissue paper and tissue products—Part 8: Determination of optical properties—Measurement of brightness and colour—D65...