Bulgarian Institute for Standardization
Standards – always a step ahead
Standards – always a step ahead
Phone: +359 2 8174 523, +359 2 8174 504
E-mail: info@bds-bg.org
1797 Sofia, 13 "Lachezar Stanchev" Str., "Izgrev" Complex
ID number: 175079183, VAT number: BG175079183
E-mail: info@bds-bg.org
1797 Sofia, 13 "Lachezar Stanchev" Str., "Izgrev" Complex
ID number: 175079183, VAT number: BG175079183
IEC 62820-1-1 ED2
Building intercom systems - Part 1-1: System requirements - General
General information
Life cycle
PREVIOUSLY
PUBLISHED
IEC 62820-1-1:2016 ED1
NOW
IN DEVELOPMENT
IEC 62820-1-1 ED2
30.60
Close of voting/ comment period
Mar 11, 2022
National adoptions
Building intercom systems - Part 1-1: System requirements - General
10.99 New project approved
ТК-53
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