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DIN SPEC 1139*DIN-Fachbericht CEN/TR 1749:2010-02

Отменен
European scheme for the classification of gas appliances according to the method of evacuation of the combustion products (types); German version CEN/TR 1749:2009
DIN SPEC 1139*DIN-Fachbericht CEN/TR 1749:2010-02
Отменен