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 NL7204839Aexternal-prioritypatent/NL7204839A/xx
Application filedfiledCritical
Publication of JPS4911273ApublicationCriticalpatent/JPS4911273A/ja