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 JP731515ApriorityCriticalpatent/JPS5610609B2/ja
Priority to US05/429,276prioritypatent/US3995284A/en
Priority to DE2364866Aprioritypatent/DE2364866C2/de
Publication of JPS4991220ApublicationCriticalpatent/JPS4991220A/ja
Publication of JPS5610609B2publicationCriticalpatent/JPS5610609B2/ja
