
Plastics piping systems for renovation of underground gas supply networks Part 3: Lining with close-fit pipes (ISO 11299-3:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plastics piping systems for renovation of underground gas supply networks Part 3: Lining with close-fit pipes (ISO 11299-3:2011)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻