Copper and copper alloys - Combustion method for determination of the carbon content on the inner surface of copper tubes or fittings; German version EN 723:2009— 15 стр.
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications; German version EN 1057:2006+A1:2010— 37 стр.
Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration - Part 2: Tubes for equipment; German version EN 12735-2:2001— 17 стр.
Copper and copper alloys - Seamless, round copper tubes for air conditioning and refrigeration - Part 1: Tubes for piping systems; German version EN 12735-1:2001— 14 стр.