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 JP50076590ApriorityCriticalpatent/JPS521855A/ja
Publication of JPS521855ApublicationCriticalpatent/JPS521855A/ja
Publication of JPS5634534B2publicationCriticalpatent/JPS5634534B2/ja