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 JP3803472Aexternal-prioritypatent/JPS5442012B2/ja
Priority claimed from JP3803672Aexternal-prioritypatent/JPS5511707B2/ja
Priority claimed from JP3803572Aexternal-prioritypatent/JPS5511706B2/ja
Application filedfiledCritical
Publication of CH529473A4publicationCriticalpatent/CH529473A4/xx