
EN ISO 2870. Surface active agents. Detergents. Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
出版:British Standards Institution

专家解读视频
EN ISO 2870. Surface active agents. Detergents. Determination of anionic-active matter hydrolyzable and non-hydrolyzable under acid conditions
出版:British Standards Institution
专家解读视频