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 JP7946574ApriorityCriticalpatent/JPS5724227B2/ja
Publication of JPS50144528ApublicationCriticalpatent/JPS50144528A/ja
Publication of JPS5724227B2publicationCriticalpatent/JPS5724227B2/ja