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Priority to JP17654086UpriorityCriticalpatent/JPH0412287Y2/ja
Priority to US07/078,234prioritypatent/US4795114A/en
Priority to KR1019870008533Aprioritypatent/KR900008343B1/ko
Publication of JPS6382884UpublicationCriticalpatent/JPS6382884U/ja
Application grantedgrantedCritical
Publication of JPH0412287Y2publicationCriticalpatent/JPH0412287Y2/ja
