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Priority to JP18629984UpriorityCriticalpatent/JPS61101733U/ja
Priority to CN 85108999prioritypatent/CN1017001B/zh
Publication of JPS61101733UpublicationCriticalpatent/JPS61101733U/ja
Priority to US07/059,378prioritypatent/US4771303A/en
Priority to US07/610,453prioritypatent/US5099263A/en