
Pressure pipelines made from thermoplastics materials - Metal and plastics compression fittings for polyethylene (PE) pipes - General quality requirements and testing
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Pressure pipelines made from thermoplastics materials - Metal and plastics compression fittings for polyethylene (PE) pipes - General quality requirements and testing
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻