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BOOKS
Book. Two-wire switch control circuit with starter unit PS and centralized power supply. 2020
Book. Five-wire switch control circuit with starter unit PST and centralized power supply. 2020
Book. Five-wire switch control circuit with double switching. 2016
Book. Modular route control interlocking system. 2017
Book. Modular relay interlocking system of small station. 2015
Book. Electric interlocking of intermediate stations ETs-12-03. 2018
Book. Automatic interlocking with audio frequency track circuits and centralized hardware location. 2021
Book. Microprocessor semi-automatic interlocking. 2016
Book. Numeric coded automatic interlocking. Four-wire direction change system. 2021
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