Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A; German version EN 13433:2006— 28 стр.
Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys with zinc - Part 1: Test method (ISO 6509-1:2014); German version EN ISO 6509-1:2014— 13 стр.