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Priority to JP1987018472UpriorityCriticalpatent/JPH0350730Y2/ja
Priority to US07/107,459prioritypatent/US4815174A/en
Priority to KR2019870017668Uprioritypatent/KR920002502Y1/ko
Publication of JPS63175426UpublicationCriticalpatent/JPS63175426U/ja
Application grantedgrantedCritical
Publication of JPH0350730Y2publicationCriticalpatent/JPH0350730Y2/ja
