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Priority to JP5169083UpriorityCriticalpatent/JPS59157131U/ja
Priority to GB08322765Aprioritypatent/GB2129888B/en
Priority to US06/526,328prioritypatent/US4586589A/en
Priority to KR2019830007613Uprioritypatent/KR880001766Y1/ko
Publication of JPS59157131UpublicationCriticalpatent/JPS59157131U/ja
Application grantedgrantedCritical
Publication of JPS6243147Y2publicationCriticalpatent/JPS6243147Y2/ja