Pressure equipment - Part 7:Safety systems for unfired pressure vessels; German version EN 764-7:2002, Corrigenda to DIN EN 764-7:2002-09; German version EN 764-7:2002/AC:2006— 3 стр.
Water-tube boilers and auxiliary installations - Part 14: Requirements for flue gas DENOX-systems using liquified pressurized ammonia and ammonia water solution