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Priority to JP8210387UpriorityCriticalpatent/JPH0159146U/ja
Priority to EP88303633Aprioritypatent/EP0293080B1/en
Priority to DE3850448Tprioritypatent/DE3850448T2/de
Priority to US07/198,933prioritypatent/US4867175A/en
Publication of JPH0159146UpublicationCriticalpatent/JPH0159146U/ja