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Priority to JP1985135042UpriorityCriticalpatent/JPH0313792Y2/ja
Priority to DE19863630007prioritypatent/DE3630007A1/de
Publication of JPS6244342UpublicationCriticalpatent/JPS6244342U/ja
Priority to US07/206,915prioritypatent/US4806917A/en
Application grantedgrantedCritical
Publication of JPH0313792Y2publicationCriticalpatent/JPH0313792Y2/ja