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 JP46007648Aexternal-prioritypatent/JPS5136092B1/ja
Priority claimed from JP1986071Aexternal-prioritypatent/JPS5316255B1/ja
Application filedfiledCritical
Publication of NL7204337ApublicationCriticalpatent/NL7204337A/xx