
Building intercom systems - Part 1-1: System requirements - General
NORM herausgegeben am 1.9.2026
Designation standards: STN EN IEC 62820-1-1
Classification mark: 334589
Catalog number: 142834
Publication date standards: 1.9.2026
Approximate weight : 51 g (0.11 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN