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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 DK195385ApriorityCriticalpatent/DK195385A/da
Publication of DK195385D0publicationCriticalpatent/DK195385D0/da
Publication of DK195385ApublicationCriticalpatent/DK195385A/da