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 JP7705476Aexternal-prioritypatent/JPS534214A/en
Priority claimed from JP7705576Aexternal-prioritypatent/JPS534215A/en
Priority claimed from JP1611877Aexternal-prioritypatent/JPS53101714A/en
Priority claimed from JP1611777Aexternal-prioritypatent/JPS53101713A/en
Application filed by Tokan Kogyo Co LtdfiledCriticalTokan Kogyo Co Ltd
Application grantedgrantedCritical
Publication of AR214415A1publicationCriticalpatent/AR214415A1/en