
System of building design documents. Centralized power supply control. Graphical and letter designations of the type and contents of information
STANDARD published on 1.7.2015
Designation standards: GOST 21.209-2014
Publication date standards: 1.7.2015
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Implemented changes and corrections:
Amd. 1.21
Amd. 1.22