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dec 31, 1997 - стартовый этап (до конца 1997 г.)
Added to timeline:
СОЗДАНИЕ ЛЕНТЫ ВРЕМЕНИ "РЕТРОСПЕКТИВА РАЗВИТИЯ В РОССИИ НОРМАТИВНОЙ БАЗЫ ДО НА ОСНОВЕ ЭО И ДОТ"
By
Sergey Green
20 Dec 2019
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435
Date:
dec 31, 1997
Now
~ 27 years ago
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