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 Engineering Corp
Original Assignee
NKK 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
Priority claimed from JP62201002Aexternal-prioritypatent/JP2595549B2/en
Priority claimed from JP62330977Aexternal-prioritypatent/JP2658105B2/en
Priority claimed from JP62330980Aexternal-prioritypatent/JP2595597B2/en
Application filed by NKK CorpfiledCriticalNKK Corp
Publication of AU2256088ApublicationCriticalpatent/AU2256088A/en
Priority claimed from CA000596453Aexternal-prioritypatent/CA1338731C/en
Application grantedgrantedCritical
Publication of AU606457B2publicationCriticalpatent/AU606457B2/en
Publication of AU606457CpublicationCriticalpatent/AU606457C/en