2010EN 1057:2006+A1:2010 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications
2006EN 1057:2006 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications (Incorporates Amendment A1: 2010)
1996EN 1057:1996 Copper and Copper Alloys - Seamless@ Round Copper Tubes for Water and Gas in Sanitary and Heating Applications