
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) Part 2: Pipes (ISO 22391-2:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) Part 2: Pipes (ISO 22391-2:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻