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
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
Publication date
1994-11
Original language
German
Pages
63
Publication date
1994-11
Original language
German
Pages
63
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