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 US00263518Aexternal-prioritypatent/US3847447A/en
Priority claimed from US00263520Aexternal-prioritypatent/US3825305A/en
Application filedfiledCritical
Publication of JPS504492ApublicationCriticalpatent/JPS504492A/ja