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Pulse code cab signaling

Pulse code cab signaling

form of cab signaling, a railway safety system

en-US/ˈpʌls ˈkoʊd ˈkæb ˈsɪɡnəlɪŋ/

en-GB/ˈpʌls ˈkəʊd ˈkæb sɪɡnəlɪŋ/

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