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Priority to JP1986173232UpriorityCriticalpatent/JPH0337254Y2/ja
Priority to KR2019870010742Uprioritypatent/KR930000538Y1/ko
Priority to US07/088,697prioritypatent/US5020151A/en
Publication of JPS63115269UpublicationCriticalpatent/JPS63115269U/ja
Application grantedgrantedCritical
Publication of JPH0337254Y2publicationCriticalpatent/JPH0337254Y2/ja
