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 JP7122176ApriorityCriticalpatent/JPS52155139A/ja
Publication of JPS52155139ApublicationCriticalpatent/JPS52155139A/ja
Publication of JPS5614149B2publicationCriticalpatent/JPS5614149B2/ja