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 JP50115856ApriorityCriticalpatent/JPS5238992A/ja
Publication of JPS5238992ApublicationCriticalpatent/JPS5238992A/ja
Publication of JPS5522746B2publicationCriticalpatent/JPS5522746B2/ja