DIN EN 1749:2019-04

Отменен

European standard for the classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types); German and English version prEN 1749:2018

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На этот документ ссылаются

DIN EN 1749:2020-04

Действует

Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types) — 53 стр.