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.)
Priority date (The priority date 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 date listed.)
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Publication date
Priority to CA619930ApriorityCriticalpatent/CA619930A/en
Application filedfiledCritical
Priority to JP1645058Aprioritypatent/JPS368825B1/ja
Publication of JPS368825B1publicationCriticalpatent/JPS368825B1/ja
