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Priority to JP1983188370UpriorityCriticalpatent/JPS6098573U/ja
Priority to US06/675,562prioritypatent/US4652044A/en
Priority to KR2019840012560Uprioritypatent/KR880000183Y1/ko
Publication of JPS6098573UpublicationCriticalpatent/JPS6098573U/ja
Application grantedgrantedCritical
Publication of JPS6347580Y2publicationCriticalpatent/JPS6347580Y2/ja