NF D30-521*NF EN 1749:2020
Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)

Standard No.

NF D30-521*NF EN 1749:2020

Release Date

2020

Published By

Association Francaise de Normalisation

Latest

NF D30-521*NF EN 1749:2020

NF D30-521*NF EN 1749:2020 history

• 2020 NF D30-521*NF EN 1749:2020 Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)