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Priority claimed from US06/088,197external-prioritypatent/US4272004A/en
Application filed by Elpatronic AgfiledCriticalElpatronic Ag
Publication of NO812109LpublicationCriticalpatent/NO812109L/no
Publication of NO160693BpublicationCriticalpatent/NO160693B/no
Publication of NO160693CpublicationCriticalpatent/NO160693C/no