Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure. Unplasticized poly(vinyl chloride) (PVC-U)-Guidance for the assessment of conformity
交叉引用:EN 1329-1:1999 EN ISO 9001 ISO 9001 EN 45011 ISO/IEC 指南 65 EN 45012 ISO/IEC 指南 62 EN ISO/IEC 17021 ISO/IEC 17021 EN ISO/IEC 17020 ISO/IEC 17020 EN ISO/IEC 17025 ISO/IEC 17025