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 JP49067380ApriorityCriticalpatent/JPS521140B2/ja
Publication of JPS50157963ApublicationCriticalpatent/JPS50157963A/ja
Publication of JPS521140B2publicationCriticalpatent/JPS521140B2/ja