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

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