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 JP1983132267Uexternal-prioritypatent/JPS60142255U/ja
Application filed by Hiroshi KataokafiledCriticalHiroshi Kataoka
Application grantedgrantedCritical
Publication of ATE49182T1publicationCriticalpatent/ATE49182T1/de