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Priority to JP3728387UpriorityCriticalpatent/JPH057142Y2/ja
Priority to US07/167,166prioritypatent/US4863035A/en
Priority to EP88302175Aprioritypatent/EP0282344A3/en
Priority to KR1019880002646Aprioritypatent/KR880010986A/ko
Publication of JPS63144421UpublicationCriticalpatent/JPS63144421U/ja
Application grantedgrantedCritical
Publication of JPH057142Y2publicationCriticalpatent/JPH057142Y2/ja