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 JP45773ApriorityCriticalpatent/JPS4990938A/ja
Priority to GB5974373Aprioritypatent/GB1453946A/en
Publication of JPS4990938ApublicationCriticalpatent/JPS4990938A/ja