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Priority to JP1982135931UpriorityCriticalpatent/JPS5940704U/ja
Priority to KR2019830007898Uprioritypatent/KR860000594Y1/ko
Publication of JPS5940704UpublicationCriticalpatent/JPS5940704U/ja
Application grantedgrantedCritical
Publication of JPS6246087Y2publicationCriticalpatent/JPS6246087Y2/ja