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 JP10433971ApriorityCriticalpatent/JPS5640831B2/ja
Priority to FR7244750Aprioritypatent/FR2167055A5/fr
Priority to DE19722261590prioritypatent/DE2261590C3/de
Priority to GB5833772Aprioritypatent/GB1420973A/en
Publication of JPS4870540ApublicationCriticalpatent/JPS4870540A/ja
Priority to US05/542,543prioritypatent/US4026648A/en
Publication of JPS5640831B2publicationCriticalpatent/JPS5640831B2/ja