supworkk
这家伙很懒，什么也没写
Ta上传的资源 (0)
DIN8061200910
Unplasticized polyvinyl chloride (PVC-U) pipes –General quality requirements and testing English version of DIN 8061:2009-10
DIN80802009
Chlorinated polyvinyl chloride (PVC-C) pipes –General quality requirements, testing English version of DIN 8080:2009-10
DIN8079200910
Chlorinatedpolyvinylchloride(PVC-C)pipes–Dimensions
EnglishversionofDIN8079:2009-10