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Priority claimed from DE2605088Aexternal-prioritypatent/DE2605088C2/en
Priority claimed from DE19772700660external-prioritypatent/DE2700660A1/en
Application filed by Westfael Elekt WerkefiledCriticalWestfael Elekt Werke
Publication of NO770220LpublicationCriticalpatent/NO770220L/en
Publication of NO145515BpublicationCriticalpatent/NO145515B/en
Publication of NO145515CpublicationCriticalpatent/NO145515C/en