NF T54-081:1987 Plastics. Unplasticized polyvinyl chloride (PVC-U) pipes for drinking water supply. Extractability of cadmium and mercury occurring as impurities.
1987NF T54-081:1987 Plastics. Unplasticized polyvinyl chloride (PVC-U) pipes for drinking water supply. Extractability of cadmium and mercury occurring as impurities.