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 JP4842874ApriorityCriticalpatent/JPS5438380B2/ja
Publication of JPS50141070ApublicationCriticalpatent/JPS50141070A/ja
Publication of JPS5438380B2publicationCriticalpatent/JPS5438380B2/ja