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- Google Patents
AU493820B2 - Method of producing large diameter steel pipes
- Google Patents
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.)
MASAICHI NAKAYAMA HAJIME TAKASUGI and MASANOBU YAMAGUCHI HISASHI CONDO
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Publication of AU493820B2publicationCriticalpatent/AU493820B2/en
Priority claimed from JP1429274Aexternal-prioritypatent/JPS5431445B2/ja
Application filed by Nippon Steel CorpfiledCriticalNippon Steel Corp
Publication of AU7770475ApublicationCriticalpatent/AU7770475A/en