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Priority to JP13590975UpriorityCriticalpatent/JPS5517327Y2/ja
Priority to FR7629387Aprioritypatent/FR2326760A1/fr
Priority to NL7610921Aprioritypatent/NL7610921A/xx
Priority to DE19762644761prioritypatent/DE2644761C3/de
Publication of JPS5248808UpublicationCriticalpatent/JPS5248808U/ja
Application grantedgrantedCritical
Publication of JPS5517327Y2publicationCriticalpatent/JPS5517327Y2/ja