Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines - Part 3: Unplasticised poly(vinyl chloride) (PVC-U) material (ISO/TS 23818-3:2021); German version CEN ISO/TS 23818-3:2022
Deutsches Institut Fur Normung E.V. (German National Standard) , 10/01/2023
