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Priority claimed from US06/537,682external-prioritypatent/US4579779A/en
Application filed by Freunt Ind Co LtdfiledCriticalFreunt Ind Co Ltd
Priority to NO851698ApriorityCriticalpatent/NO160964C/en
Publication of NO851698LpublicationCriticalpatent/NO851698L/en
Publication of NO160964BpublicationCriticalpatent/NO160964B/en
Publication of NO160964CpublicationCriticalpatent/NO160964C/en