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Publication date
Application filedfiledCritical
Priority to JP14292987UpriorityCriticalpatent/JPH0350565Y2/ja
Priority to US07/247,012prioritypatent/US4862330A/en
Priority to KR1019880012174Aprioritypatent/KR890005451A/ko
Publication of JPS6448803UpublicationCriticalpatent/JPS6448803U/ja
Application grantedgrantedCritical
Publication of JPH0350565Y2publicationCriticalpatent/JPH0350565Y2/ja
Priority to KR9212500Uprioritypatent/KR920006501Y1/ko
