标准号:UNI EN 1225-1997
英文标准名称:Plastics piping systems. Glass- reinforced thermosetting plastics (GRP) pipes. Determination of the creep factor under wet conditions and calculation of the long-term specific ring stiffness. Sistemi di tubazioni di materie plastiche. Tubi di materiale
标准状态:W
标准类型:国际标准