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 JP47010951ApriorityCriticalpatent/JPS524615B2/ja
Priority to FR7229479Aprioritypatent/FR2155233A5/fr
Priority to US281407Aprioritypatent/US3890448A/en
Publication of JPS4881693ApublicationCriticalpatent/JPS4881693A/ja
Publication of JPS524615B2publicationCriticalpatent/JPS524615B2/ja
