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Priority to JP16841182UpriorityCriticalpatent/JPS5972393U/ja
Priority to CH1619/83Aprioritypatent/CH652472A5/fr
Priority to IT48117/83Aprioritypatent/IT1197630B/it
Priority to DE3313907Aprioritypatent/DE3313907A1/de
Publication of JPS5972393UpublicationCriticalpatent/JPS5972393U/ja
Application grantedgrantedCritical
Publication of JPS628717Y2publicationCriticalpatent/JPS628717Y2/ja