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 JP45127319ApriorityCriticalpatent/JPS49937B1/ja
Priority to BE771512Aprioritypatent/BE771512A/xx
Publication of JPS49937B1publicationCriticalpatent/JPS49937B1/ja
