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 JP1922174ApriorityCriticalpatent/JPS539870B2/ja
Publication of JPS50115090ApublicationCriticalpatent/JPS50115090A/ja
Publication of JPS539870B2publicationCriticalpatent/JPS539870B2/ja
