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Priority to JP1979077624UpriorityCriticalpatent/JPS5828949Y2/ja
Priority to ES1980250996Uprioritypatent/ES250996Y/es
Priority to IT2196080Uprioritypatent/IT8021960V0/it
Publication of JPS55175488UpublicationCriticalpatent/JPS55175488U/ja
Application grantedgrantedCritical
Publication of JPS5828949Y2publicationCriticalpatent/JPS5828949Y2/ja