DIN EN 1057:2010-06 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010
2010DIN EN 1057:2010-06 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010
2010DIN EN 1057:2010 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010
1996DIN EN 1057:1996 Copper and copper alloys – Seamless round tubes made of copper for water and gas pipes for sanitary installations and heating systems