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
Sumiden Transmission and Distribution Systems Products Corp
Original Assignee
Sumitomo Electric Industries Ltd
Asahi Kinzoku Seiko Co 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 Ltd, Asahi Kinzoku Seiko Co LtdfiledCriticalSumitomo Electric Industries Ltd
Priority to JP5771075ApriorityCriticalpatent/JPS51133786A/ja
Publication of JPS51133786ApublicationCriticalpatent/JPS51133786A/ja
Publication of JPS5760846B2publicationCriticalpatent/JPS5760846B2/ja