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Priority to JP15413880UpriorityCriticalpatent/JPS616330Y2/ja
Priority to ES1981261069Uprioritypatent/ES261069Y/es
Publication of JPS5777715UpublicationCriticalpatent/JPS5777715U/ja
Application grantedgrantedCritical
Publication of JPS616330Y2publicationCriticalpatent/JPS616330Y2/ja