UNE-EN 13617-4:2012 Petrol filling stations - Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers
2022UNE-EN 13617-4:2022 Petrol filling stations - Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers
2012UNE-EN 13617-4:2012 Petrol filling stations - Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers