
Plastics Piping Systems For Renovation Of Underground Drainage And Sewerage Networks Under Pressure - Part 1: General (iso/dis 11297-1:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plastics Piping Systems For Renovation Of Underground Drainage And Sewerage Networks Under Pressure - Part 1: General (iso/dis 11297-1:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻