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Priority to JP14581488UpriorityCriticalpatent/JPH0265676U/ja
Priority to US07/430,464prioritypatent/US5022279A/en
Priority to DE68917426Tprioritypatent/DE68917426T2/de
Priority to EP89120620Aprioritypatent/EP0369300B1/en
Publication of JPH0265676UpublicationCriticalpatent/JPH0265676U/ja