
Plastics - Aromatic isocyanates for use in the production of polyurethanes - Determination of the isomer ratio in toluenediisocyanate
出版:International Organization for Standardization

专家解读视频
Plastics - Aromatic isocyanates for use in the production of polyurethanes - Determination of the isomer ratio in toluenediisocyanate
出版:International Organization for Standardization
专家解读视频