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.)
Kubota Kasui Corp
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
Fujikasui Engineering Co 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
Priority claimed from JP47074358Aexternal-prioritypatent/JPS5131036B2/ja
Priority claimed from JP2521173Aexternal-prioritypatent/JPS5338711B2/ja
Application filed by Sumitomo Metal Industries Ltd, Fujikasui Engineering Co LtdfiledCriticalSumitomo Metal Industries Ltd
Publication of AU5851473ApublicationCriticalpatent/AU5851473A/en
Application grantedgrantedCritical
Publication of AU486776B2publicationCriticalpatent/AU486776B2/en