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.)
Toshiba Corp
JFE Engineering Corp
Kitashiba Electric Co Ltd
Original Assignee
Toshiba Corp
Kitashiba Electric Co Ltd
Nippon Kokan 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 Toshiba Corp, Kitashiba Electric Co Ltd, Nippon Kokan LtdfiledCriticalToshiba Corp
Priority to JP9032188ApriorityCriticalpatent/JPH01262053A/ja
Publication of JPH01262053ApublicationCriticalpatent/JPH01262053A/ja
Publication of JPH0435260B2publicationCriticalpatent/JPH0435260B2/ja