Design of interlocking system that can be rapidly put into service to adapt signaling equipment to various stages of expansion, when relocating or expanding tracks at railroad stations.
Mobile all-relay interlocking of pushbutton geographical circuitry system, type 60
Siemens Rev
Siemens Review ; 34 , n 3
1967
4 pages
Aufsatz (Zeitschrift)
Englisch
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