Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Application filed by Sumitomo Electric Industries LtdfiledCriticalSumitomo Electric Industries Ltd
Priority to JP9717575ApriorityCriticalpatent/JPS5221841A/ja
Publication of JPS5221841ApublicationCriticalpatent/JPS5221841A/ja
Publication of JPS5759523B2publicationCriticalpatent/JPS5759523B2/ja
