Category:Track circuits: Difference between revisions
From ETHW
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m (Text replace - "[[Category:Circuit_types" to "[[Category:Circuitry") |
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An electrical device used to detect the presence or absence of a train on the train tracks | An electrical device used to detect the presence or absence of a train on the train tracks | ||
[[Category: | [[Category:Circuitry|{{PAGENAME}}]] |