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 US05/430,446external-prioritypatent/US3961266A/en
Priority claimed from US05/457,010external-prioritypatent/US3931579A/en
Application filedfiledCritical
Publication of JPS50118605ApublicationCriticalpatent/JPS50118605A/ja
Publication of JPS592406B2publicationCriticalpatent/JPS592406B2/ja