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0 h 39 m, 30 jun 2008 ano - ГОСТ Р 52656-2006

Descrição:

Образовательные интернет-порталы федерального уровня. Общие требования

Adicionado na linha do tempo:

Лента времени по нормативным документам

ByСергей Ядренников

13 nov 2019

0

0

445

Data:

0 h 39 m, 30 jun 2008 ano

Agora

~ 17 years ago

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