DIN EN ISO 13259:2020-10 Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints (ISO 13259:2020); German version EN ISO 13259:2020
2020DIN EN ISO 13259:2020-10 Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints (ISO 13259:2020); German version EN ISO 13259:2020
2020DIN EN ISO 13259:2020 Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints (ISO 13259:2020)
2018DIN EN ISO 13259:2018 Buried piping systems made of thermoplastics for non-pressurized applications – Test methods for the tightness of elastomeric sealing ring connections (ISO 13259:2018); German version EN ISO 13259:2018
2004DIN EN 1277:2004 Plastics piping systems - Thermoplastics piping systems for buried non-pressure applications - Test methods for leaktightness of elastomeric sealing ring type joints; German version EN 1277:2003