DIN EN 1749:2020-04 Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types); German version EN 1749:2020

标准编号：DIN EN 1749:2020-04

英文标题：Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types); German version EN 1749:2020

德文标题：Klassifizierung von Gasgeräten nach der Art der Verbrennungsluftzuführung und Abgasabführung (Arten); Deutsche Fassung EN 1749:2020

发布日期：2020-04

DIN EN 1749:2020-04 Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types); German version EN 1749:2020

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