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 JP59105508Aexternal-prioritypatent/JPS60249530A/ja
Priority claimed from JP59128978Aexternal-prioritypatent/JPS618227A/ja
Application filed by Sumitomo Electric IndustriesfiledCriticalSumitomo Electric Industries
Priority claimed from EP85106388Aexternal-prioritypatent/EP0165502B1/de
Application grantedgrantedCritical
Publication of ATE55299T1publicationCriticalpatent/ATE55299T1/de