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 JP3645274ApriorityCriticalpatent/JPS574141B2/ja
Publication of JPS50129945ApublicationCriticalpatent/JPS50129945A/ja
Publication of JPS574141B2publicationCriticalpatent/JPS574141B2/ja