
Building intercom systems - Part 3-2: Application guidelines - Advanced security building intercom systems (ASBIS) (IEC 62820-3-2:2018); German version EN IEC 62820-3-2:2018
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
EN IEC 62820-3-2:2018 - Identical
IEC 62820-3-2 : 1.0 - Identical
IEC 62820-3-2 : 1.0 - Identical
EN IEC 62820-3-2:2018 - Identical