Gas-fired central heating boilers - Type B₁₁ and B11BS boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994 + A1:1994 + A2:1996 + A3:1996
German title
Heizkessel für gasförmige Brennstoffe - Heizkessel der Typen B₁₁ und B11BS mit atmosphärischen Brennern mit einer Nennwärmebelastung kleiner oder gleich 70 kW; Deutsche Fassung EN 297:1994 + A1:1994 + A2:1996 + A3:1996
Publication date
1998-07
Original language
German
Pages
74
Publication date
1998-07
Original language
German
Pages
74
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