
Multilayer piping systems for hot and cold water installations inside buildings Part 2: Pipes (ISO 21003-2:2008 + Amd 1:2011) (includes Amendment A1:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Multilayer piping systems for hot and cold water installations inside buildings Part 2: Pipes (ISO 21003-2:2008 + Amd 1:2011) (includes Amendment A1:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻