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
CA850554A
Inventor
Yoshida Hiroshi
Okabe Hideo
Sasaki Kenji
Nonaka Hiroshi
Nakagawa Kichizaemon
Igarashi Kiyoyuki
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
Publication date
Application grantedgrantedCritical
Publication of CA850554ApublicationCriticalpatent/CA850554A/en