
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