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.)
Expired
Application number
CA076739A
Inventor
Tanaka Ryohei
Mimino Tohru
Shinoda Takayuki
Kinoshita Kazuhisa
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 Engineering Corp
Original Assignee
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 Nippon Kokan LtdfiledCriticalNippon Kokan Ltd
Priority to CA076739ApriorityCriticalpatent/CA926657A/en
Application grantedgrantedCritical
Publication of CA926657ApublicationCriticalpatent/CA926657A/en