Central heating boiler; determination of the standard efficiency and the standard emissivity.
NORMA vydaná dňa 1.3.1990
Designation standards: DIN 4702-8:1990-03
Note: NEPLATNÁ
Publication date standards: 1.3.1990
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Heizkessel; Ermittlung des Norm-Nutzungsgrades und des Norm-Emissionsfaktors.