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 JP12126073Aexternal-prioritypatent/JPS5732065B2/ja
Priority claimed from JP12175873Aexternal-prioritypatent/JPS5724787B2/ja
Priority claimed from JP12175973Aexternal-prioritypatent/JPS5724788B2/ja
Priority claimed from JP12175773Aexternal-prioritypatent/JPS5724786B2/ja