Серия Посты сигнализации, централизации, блокировки, связи и радио, горочные посты, проект 501-90

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Function:	Электрическая централизация маневровых районов (ТП-61)
Approval date:	1967

Заменён на 501-5-2.

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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