prEN ISO 13844:2021 Plastics piping systems - Elastomeric-sealing-ring-type socket joints for use with plastic pipes - Test method for leak tightness under negative pressure, angular deflection and deformation (ISO/DIS 13844:2021)
2021prEN ISO 13844:2021 Plastics piping systems - Elastomeric-sealing-ring-type socket joints for use with plastic pipes - Test method for leak tightness under negative pressure, angular deflection and deformation (ISO/DIS 13844:2021)