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Priority to JP6518990UpriorityCriticalpatent/JPH0423509U/ja
Priority to EP19910890055prioritypatent/EP0448547B1/en
Priority to DE1991600732prioritypatent/DE69100732T2/de
Publication of JPH0423509UpublicationCriticalpatent/JPH0423509U/ja
Priority to US07/936,880prioritypatent/US5205782A/en