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may 25, 1923 - смонтированы релейные АТС, рассчитанные на обслуживание 200 номеров в Кремле и 20 номеров — в научно-техническом отделе ВСНХ
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Сергей
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Sergei Kratko
22 Nov 2017
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Date:
may 25, 1923
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~ 103 years ago
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