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Priority to JP10281488UpriorityCriticalpatent/JPH0227241U/ja
Priority to US07/389,281prioritypatent/US5136505A/en
Priority to EP89114370Aprioritypatent/EP0353756B1/en
Priority to DE68926001Tprioritypatent/DE68926001T2/de
Publication of JPH0227241UpublicationCriticalpatent/JPH0227241U/ja