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 JP50012221ApriorityCriticalpatent/JPS5217921B2/ja
Publication of JPS5187201ApublicationCriticalpatent/JPS5187201A/ja
Publication of JPS5217921B2publicationCriticalpatent/JPS5217921B2/ja