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.)
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Priority to JP5215072ApriorityCriticalpatent/JPS5525103B2/ja
Priority to DE19732320093prioritypatent/DE2320093A1/de
Priority to GB2303873Aprioritypatent/GB1434123A/en
Publication of JPS497533ApublicationCriticalpatent/JPS497533A/ja
Priority to US05/496,514prioritypatent/US3971517A/en
Publication of JPS5525103B2publicationCriticalpatent/JPS5525103B2/ja