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
Application filedfiledCritical
Priority to JP8215871ApriorityCriticalpatent/JPS5131975B2/ja
Priority to US29832672prioritypatent/US3805818A/en
Publication of JPS4847623ApublicationCriticalpatent/JPS4847623A/ja
Publication of JPS5131975B2publicationCriticalpatent/JPS5131975B2/ja