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 JP6244067Aexternal-prioritypatent/JPS467018B1/ja
Priority claimed from JP8215667Aexternal-prioritypatent/JPS4940659B1/ja
Application filed by Yoshida Kogyo KkfiledCriticalYoshida Kogyo Kk
Publication of FI51298BpublicationCriticalpatent/FI51298B/fi
Application grantedgrantedCritical
Publication of FI51298CpublicationCriticalpatent/FI51298C/fi