B61L 23/24
Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
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Edits on 9 Mar, 2022
Golden AI
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Description (+210 characters)
B61L 23/24
Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in two directions over the same pair of rails using token systems, e.g. train staffs, tablets
Infobox
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