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Priority claimed from US00290654Aexternal-prioritypatent/US3837745A/en
Priority claimed from US00392107Aexternal-prioritypatent/US3837746A/en
Application filed by Akro Medic Eng IncfiledCriticalAkro Medic Eng Inc
Priority to DK264078ApriorityCriticalpatent/DK264078A/da
Publication of DK264078ApublicationCriticalpatent/DK264078A/da
Anordning foer automatisk utloesning av ett tillstaond av hoegre saekerhet i utgaoende fraon en central cykliskt anropade understationer hos en saekerhetsteknisk anlaeggning i synnerhet en jaernvaegsanlaeggning