
Building intercom systems. System requirements. General.
STANDARD published on 7.7.2022
Designation standards: BS EN 62820-1-1:2016+A11:2021
Publication date standards: 7.7.2022
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 16574 6 Status: Under Review Replaced by: Under Review