
Iso 4433 Thermoplastics Pipes - Resistance To Chemical Fluids - Classification - Part 3: Unplasticized Poly(vinylchloride) (pvc-u) Pipes
出版:British Standards Institution

專家解讀視頻
Iso 4433 Thermoplastics Pipes - Resistance To Chemical Fluids - Classification - Part 3: Unplasticized Poly(vinylchloride) (pvc-u) Pipes
出版:British Standards Institution
專家解讀視頻