Heating boilers - Part 2: Heating boilers with forced draught burners; Special requirements for boilers with atomizing oil burners (includes Amendment A1:2003); German version EN 303-2:1998 + A1:2003— 19 стр.
91.140.10 Central. Including burners and boilers for central heating systems / Системы центрального отопления. Включая горелки и котлы для систем центрального отопления
