
Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures Part 1: Metric series
出版:International Organization for Standardization

专家解读视频
Thermoplastics pipes for the conveyance of fluids - Nominal outside diameters and nominal pressures Part 1: Metric series
出版:International Organization for Standardization
专家解读视频