
Plastic Piping Systems - Mechanical Joints Between Fittings And Pressure Pipes - Test Method For Leaktightness Under Negative Pressure
出版:Association Francaise de Normalisation

專家解讀視頻
Plastic Piping Systems - Mechanical Joints Between Fittings And Pressure Pipes - Test Method For Leaktightness Under Negative Pressure
出版:Association Francaise de Normalisation
專家解讀視頻