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
Original Assignee
Kawasaki Steel 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 CorpfiledCriticalKawasaki Steel Corp
Priority to JP19998587ApriorityCriticalpatent/JPS6447874A/ja
Priority to PCT/JP1987/001040prioritypatent/WO1988005087A1/ja
Priority to EP88900591Aprioritypatent/EP0298126B1/en
Priority to DE3750091Tprioritypatent/DE3750091T2/de
Priority to KR1019880700472Aprioritypatent/KR890700174A/ko
Publication of JPS6447874ApublicationCriticalpatent/JPS6447874A/ja
Priority to US07/973,058prioritypatent/US5308651A/en