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Priority claimed from DEST46246Dexternal-prioritypatent/DE511864C/de
Application filed by Sternberg Traffic Automaten CofiledCriticalSternberg Traffic Automaten Co
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Publication of DK44230CpublicationCriticalpatent/DK44230C/da
DK44230D1929-08-081930-08-06Anordning til Indkobling af Trafiksignaler ved Gadekrydsninger under Anvendelse af to i Kørebanen nedlagte Sveller.
DK44230C
(da)
Einrichtung zum selbsttaetigen Einschalten von Verkehrssignalen an Strassenkreuzungen mittels zweier im Fahrdamm quer zur Fahrtrichtung hintereinander angeordneter Kontaktschwellen
Fremgangsmaade ved Paaføring af Afdækningsmateriale paa Vejbaner, Fortove, Gaardspladser og lignende Færdselsbaner, i Særdeleshed under fugtige Vejrforhold.