NF A48-720/A1*NF EN 877/A1:2006 Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings - Requirements, test methods and quality assurance
2006NF A48-720/A1*NF EN 877/A1:2006 Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings - Requirements, test methods and quality assurance