Copper and copper alloys - Combustion method for determination of carbon on the inner surface of copper tubes or fittings; German version EN 723:1996— 7 стр.
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 - Combustion method for determination of the carbon content on the inner surface of copper tubes or fittings; German version EN 723:2009— 15 стр.