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Publication date
Priority claimed from US587835Aexternal-prioritypatent/US3363156A/en
Priority claimed from NO165611Aexternal-prioritypatent/NO119544C/no
Application filed by Gen ElectricfiledCriticalGen Electric
Priority to NO32970ApriorityCriticalpatent/NO135723C/no
Publication of NO135723BpublicationCriticalpatent/NO135723B/no
Publication of NO135723CpublicationCriticalpatent/NO135723C/no