
Thermoplastics pipes - Resistance to liquid chemicals - Classification Part 4: Poly(vinylidene fluoride) (PVDF) pipes
出版:International Organization for Standardization

专家解读视频
Thermoplastics pipes - Resistance to liquid chemicals - Classification Part 4: Poly(vinylidene fluoride) (PVDF) pipes
出版:International Organization for Standardization
专家解读视频