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0 h 39 min, 30 juin 2008 ans - ГОСТ Р 52656-2006

Description:

Образовательные интернет-порталы федерального уровня. Общие требования

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Лента времени по нормативным документам

ByСергей Ядренников
13 nov. 2019
0
0
446

Date:

0 h 39 min, 30 juin 2008 ans
Maintenaint
~ Il y a 17 ans
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