update:

EN versions:

EN 13480-4:2012/A3:2016 Metallic industrial piping - Part 4: Fabrication and installation
EN 13480-6:2012/A1:2016 Metallic industrial piping - Part 6: Additional requirements for buried piping


the missing are:

EN 13480-5:2012/A2:2017 Metallic industrial piping - Part 5: Inspection and testing
EN 13480-5:2012/A3:2017 Metallic industrial piping - Part 5: Inspection and testing


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