DIN EN ISO 13263:2018-01 Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics fittings - Test method for impact strength (ISO 13263:2010); German version EN ISO 13263:2017
2018DIN EN ISO 13263:2018-01 Thermoplastics piping systems for non-pressure underground drainage and sewerage - Thermoplastics fittings - Test method for impact strength (ISO 13263:2010); German version EN ISO 13263:2017