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25 mai 1923 - смонтированы релейные АТС, рассчитанные на обслуживание 200 номеров в Кремле и 20 номеров — в научно-техническом отделе ВСНХ

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BySergei Kratko
22 nov. 2017
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Date:

25 mai 1923
Maintenaint
~ Il y a 102 ans
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