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1998 - 2001 гг. период окончания сроков региональных программ информатизации систем среднего образования, подготовленных 1998-1999 годах. (4 Jan 1999 Jahr – 10 Aug 2001 Jahr)

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ByKaterina
15 Nov 2017
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Datum:

4 Jan 1999 Jahr
10 Aug 2001 Jahr
~ 2 years and 7 months
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