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 GB639273*[Aexternal-prioritypatent/GB1405120A/en
Application filedfiledCritical
Publication of JPS4994830ApublicationCriticalpatent/JPS4994830A/ja
Publication of JPS5742601B2publicationCriticalpatent/JPS5742601B2/ja