
Paints and varnishes - Determination of hiding power Part 3: Determination of contrast ratio (opacity) of light-coloured paints at a fixed spreading rate
出版:International Organization for Standardization

专家解读视频
Paints and varnishes - Determination of hiding power Part 3: Determination of contrast ratio (opacity) of light-coloured paints at a fixed spreading rate
出版:International Organization for Standardization
专家解读视频