
European Scheme For The Classification Of Gas Appliances According To The Method Of Evacuation Of The Combustion Products (types)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
2010 [01/02/2010]
Also numbered as DIN SPEC 1139. (02/2010)
CEN/TR 1749:2014 - Identical
DIN SPEC 1139 (2010-02) - Equivalent
CEN/TR 1749:2009 - Identical