UNE-EN ISO 15749-4:2005 Ships and marine technology. Drainage systems on ships and marine structures. Part 4: Sanitary drainage, sewage disposal pipes (ISO 15749-4:2004)
2005UNE-EN ISO 15749-4:2005 Ships and marine technology. Drainage systems on ships and marine structures. Part 4: Sanitary drainage, sewage disposal pipes (ISO 15749-4:2004)