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.)
Taiyo Steel Co Ltd
Original Assignee
Taiyo Steel 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 Taiyo Steel Co LtdfiledCriticalTaiyo Steel Co Ltd
Priority to JP19648786ApriorityCriticalpatent/JPS6353378A/ja
Publication of JPS6353378ApublicationCriticalpatent/JPS6353378A/ja
Publication of JPH0335545B2publicationCriticalpatent/JPH0335545B2/ja