Weaknesses of line semaphore system, details of "Raven" system. (1500 w.) (66319 A)
Cab-signaling and the pollokshaws collision
R G
1915
Diagram
Aufsatz (Zeitschrift)
Englisch
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Inter-Vehicle Signaling for Collision Avoidance and Harm Minimization
Europäisches Patentamt | 2023
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