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
Priority claimed from GB2004172Aexternal-prioritypatent/GB1399885A/en
Application filedfiledCritical
Publication of JPS4947426ApublicationCriticalpatent/JPS4947426A/ja
Publication of JPS5318057B2publicationCriticalpatent/JPS5318057B2/ja