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 JP6755674ApriorityCriticalpatent/JPS579393B2/ja
Publication of JPS50158643ApublicationCriticalpatent/JPS50158643A/ja
Publication of JPS579393B2publicationCriticalpatent/JPS579393B2/ja