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Priority to JP3226370UpriorityCriticalpatent/JPS5045340Y1/ja
Priority to DE19717107228prioritypatent/DE7107228U/de
Priority to FR7106717Aprioritypatent/FR2081648B1/fr
Priority to DE19712111673prioritypatent/DE2111673A1/de
Priority to GB2149171Aprioritypatent/GB1344002A/en
Publication of JPS5045340Y1publicationCriticalpatent/JPS5045340Y1/ja