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Priority to JP1985047809UpriorityCriticalpatent/JPH0419041Y2/ja
Priority to EP86302407Aprioritypatent/EP0197751B1/en
Priority to DE8686302407Tprioritypatent/DE3672652D1/de
Publication of JPS61164301UpublicationCriticalpatent/JPS61164301U/ja
Priority to US07/241,758prioritypatent/US4860662A/en
Application grantedgrantedCritical
Publication of JPH0419041Y2publicationCriticalpatent/JPH0419041Y2/ja
