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

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