Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; Amendment A6; German version EN 297:1994/A6:2003— 9 стр.
Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994 + A1:1994 + A2:1996 + A3:1996— 74 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.