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Priority to JP1987033138UpriorityCriticalpatent/JPH0535552Y2/ja
Priority to KR1019880000588Aprioritypatent/KR880011847A/ko
Publication of JPS63141541UpublicationCriticalpatent/JPS63141541U/ja
Priority to KR2019910003676Uprioritypatent/KR910003746Y1/ko
Application grantedgrantedCritical
Publication of JPH0535552Y2publicationCriticalpatent/JPH0535552Y2/ja