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Filing date
Publication date
Application filedfiledCritical
Priority to JP17768282UpriorityCriticalpatent/JPS5980480U/ja
Priority to US06/545,404prioritypatent/US4590972A/en
Priority to DE8383110746Tprioritypatent/DE3378771D1/de
Priority to EP83110746Aprioritypatent/EP0122962B1/en
Priority to KR1019830005099Aprioritypatent/KR860001412B1/ko
Publication of JPS5980480UpublicationCriticalpatent/JPS5980480U/ja
Application grantedgrantedCritical
Publication of JPS632460Y2publicationCriticalpatent/JPS632460Y2/ja