
Plastics Piping Systems - Mechanical Joints Between Fittings And Pressure Pipes - Test Method For Leaktightness Under Internal Pressure Of Assemblies Subjected To Bending
出版:British Standards Institution

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Plastics Piping Systems - Mechanical Joints Between Fittings And Pressure Pipes - Test Method For Leaktightness Under Internal Pressure Of Assemblies Subjected To Bending
出版:British Standards Institution
专家解读视频