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 JP1991173ApriorityCriticalpatent/JPS49109100A/ja
Priority to US05/438,517prioritypatent/US3932036A/en
Publication of JPS49109100ApublicationCriticalpatent/JPS49109100A/ja