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Priority to JP3936588UpriorityCriticalpatent/JPH0535256Y2/ja
Priority to US07/315,445prioritypatent/US4955407A/en
Priority to KR2019890001992Uprioritypatent/KR920000949Y1/ko
Publication of JPH01143473UpublicationCriticalpatent/JPH01143473U/ja
Application grantedgrantedCritical
Publication of JPH0535256Y2publicationCriticalpatent/JPH0535256Y2/ja
