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.)
Filing date
Publication date
Priority claimed from US05/589,978external-prioritypatent/US3966355A/en
Application filedfiledCritical
Priority to JP7284376ApriorityCriticalpatent/JPS523904A/ja
Publication of JPS523904ApublicationCriticalpatent/JPS523904A/ja
Publication of JPS545041B2publicationCriticalpatent/JPS545041B2/ja