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Priority to JP242674UpriorityCriticalpatent/JPS5412161Y2/ja
Priority to DE19747438077prioritypatent/DE7438077U/de
Publication of JPS5093306UpublicationCriticalpatent/JPS5093306U/ja
Application grantedgrantedCritical
Publication of JPS5412161Y2publicationCriticalpatent/JPS5412161Y2/ja