Здания и сооружения телефонной связи series, project А-20-И, АУ-20-И

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Function:

АТС на 20 тыс. номеров

Floors:

А-20-И — АТС на 20 тыс. номеров
АУ-20-И — АТС на 20 тыс. номеров с узлом связи

List of all series and projects · All photos of buildings this series

List of all series and projects · All photos of buildings this series

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