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 JP16068977ApriorityCriticalpatent/JPS5491180A/ja
Priority to US05/971,658prioritypatent/US4326238A/en
Publication of JPS5491180ApublicationCriticalpatent/JPS5491180A/ja
Publication of JPS5726412B2publicationCriticalpatent/JPS5726412B2/ja
