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Priority to JP16686882UpriorityCriticalpatent/JPS5970079U/ja
Priority to US06/495,152prioritypatent/US4564145A/en
Priority to DE19833318486prioritypatent/DE3318486A1/de
Publication of JPS5970079UpublicationCriticalpatent/JPS5970079U/ja
Application grantedgrantedCritical
Publication of JPH0223820Y2publicationCriticalpatent/JPH0223820Y2/ja