DIN EN ISO 11173:2018-02 Thermoplastics pipes - Determination of resistance to external blows - Staircase method (ISO 11173:1994); German version EN ISO 11173:2017
2018DIN EN ISO 11173:2018-02 Thermoplastics pipes - Determination of resistance to external blows - Staircase method (ISO 11173:1994); German version EN ISO 11173:2017
2018DIN EN ISO 11173:2018 Thermoplastics pipes - Determination of resistance to external blows - Staircase method (ISO 11173:1994); German version EN ISO 11173:2017
1996DIN EN 1411:1996 Plastics piping and ducting systems - Thermoplastics pipes - Determination of resistance to external blows by the staircase method; German version EN 1411:1996