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Priority to JP10443585UpriorityCriticalpatent/JPS6211697U/ja
Priority to KR2019860005987Uprioritypatent/KR890004057Y1/ko
Priority to CN86103908Aprioritypatent/CN1006978B/zh
Priority to US06/883,507prioritypatent/US4704662A/en
Publication of JPS6211697UpublicationCriticalpatent/JPS6211697U/ja