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.)
JFE Steel Corp
JFE Techno Research Corp
Original Assignee
Kawasaki Steel Corp
Kawatetsu Techno Research Corp
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 Kawasaki Steel Corp, Kawatetsu Techno Research CorpfiledCriticalKawasaki Steel Corp
Priority to JP18276685ApriorityCriticalpatent/JPS6243559A/ja
Publication of JPS6243559ApublicationCriticalpatent/JPS6243559A/ja
Publication of JPH0552900B2publicationCriticalpatent/JPH0552900B2/ja