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Priority to JP11442282UpriorityCriticalpatent/JPS5918649U/ja
Priority to KR2019830006658Uprioritypatent/KR880003227Y1/ko
Publication of JPS5918649UpublicationCriticalpatent/JPS5918649U/ja
Application grantedgrantedCritical
Publication of JPS639467Y2publicationCriticalpatent/JPS639467Y2/ja
Priority to KR2019880007203Uprioritypatent/KR880004318Y1/ko