Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS>boilers, fitted with atmospheric burners of nominal heat input exceeding 70 kW; Amendment A5; German version EN 297:1994/A5:1998— 4 стр.
Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kW; German version EN 677:1998— 10 стр.
Gas-fired central heating boilers - Type B boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994 + A1:1994 + A2:1996 + A3:1996 + A4:2004 + A5:1998 + A6:2003— 162 стр.
Gas-fired central heating boilers - Type B boilers, fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994 + A1:1994 + A2:1996 + A3:1996 + A4:2004 + A5:1998 + A6:2003— 162 стр.