—   —  —  21.209-2014 . .


21.209-2014 . .

21.209-2014 . .

21.209-2014
" . . "
( 26 2014 . N 1833-)

System of building design documents. Centralized power supply control. Graphical and letter designations of the type and contents of information

- 1 2015 .

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