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Priority to JP3362681UpriorityCriticalpatent/JPH0138724Y2/ja
Priority to KR820000665Aprioritypatent/KR850001445B1/ko
Priority to AU81220/82Aprioritypatent/AU548168B2/en
Priority to DE8282101909Tprioritypatent/DE3267742D1/de
Priority to EP19820101909prioritypatent/EP0061069B1/en
Publication of JPS57146228UpublicationCriticalpatent/JPS57146228U/ja
Application grantedgrantedCritical
Publication of JPH0138724Y2publicationCriticalpatent/JPH0138724Y2/ja