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
Proterial Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Sumitomo Special Metals 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, Sumitomo Special Metals Co LtdfiledCriticalSumitomo Electric Industries Ltd
Priority to JP57039742ApriorityCriticalpatent/JPS58157316A/ja
Publication of JPS58157316ApublicationCriticalpatent/JPS58157316A/ja
Publication of JPH0210647B2publicationCriticalpatent/JPH0210647B2/ja