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Priority to JP9259987UpriorityCriticalpatent/JPS63201740U/ja
Priority to US07/206,315prioritypatent/US4961658A/en
Priority to EP88305456Aprioritypatent/EP0295887B1/en
Priority to DE88305456Tprioritypatent/DE3885518T2/de
Publication of JPS63201740UpublicationCriticalpatent/JPS63201740U/ja