Norm
[AKTUELL]
UNE-EN 62820-1-1/A11
UNE-EN 62820-1-1/A11
Building intercom systems - Part 1-1: System requirements - General (Endorsed by Asociación Española de Normalización in February of 2022.)
Titel (englisch)
Building intercom systems - Part 1-1: System requirements - General (Endorsed by Asociación Española de Normalización in February of 2022.)