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 JP14036973ApriorityCriticalpatent/JPS535907B2/ja
Priority to US05/532,638prioritypatent/US3931131A/en
Priority to FR7441551Aprioritypatent/FR2254582B1/fr
Priority to GB54601/74Aprioritypatent/GB1493589A/en
Publication of JPS5091681ApublicationCriticalpatent/JPS5091681A/ja
Publication of JPS535907B2publicationCriticalpatent/JPS535907B2/ja