
Plastics - Polyamides - Determination of viscosity number - Amendment 1: Corrections, and update to reference to JIS K 6920-2
出版:International Organization for Standardization

专家解读视频
Plastics - Polyamides - Determination of viscosity number - Amendment 1: Corrections, and update to reference to JIS K 6920-2
出版:International Organization for Standardization
专家解读视频