Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to JP13007673ApriorityCriticalpatent/JPS531684B2/ja
Priority to US05/522,962prioritypatent/US4027762A/en
Publication of JPS5081632ApublicationCriticalpatent/JPS5081632A/ja
Publication of JPS531684B2publicationCriticalpatent/JPS531684B2/ja
