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Priority to JP1979031164UpriorityCriticalpatent/JPS5835198Y2/ja
Priority to US06/127,403prioritypatent/US4329934A/en
Priority to DE19803009076prioritypatent/DE3009076A1/de
Publication of JPS55130676UpublicationCriticalpatent/JPS55130676U/ja
Application grantedgrantedCritical
Publication of JPS5835198Y2publicationCriticalpatent/JPS5835198Y2/ja