B61L 23/28
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 non-automatic blocking from a place along the route
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Edits on 16 Mar, 2022
Golden AI
Edits on 9 Mar, 2022
Golden AI
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Infobox (+3 properties)
Description (+220 characters)
B61L 23/28
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 non-automatic blocking from a place along the route
Infobox
Classification Type
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