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.)
STEEL RING AND ENGINEERING Co Ltd
Original Assignee
STEEL RING AND ENGINEERING Co Ltd
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Publication date
Application filed by STEEL RING AND ENGINEERING Co LtdfiledCriticalSTEEL RING AND ENGINEERING Co Ltd
Application grantedgrantedCritical
Publication of AU282770B2publicationCriticalpatent/AU282770B2/en
Publication of AU3147063ApublicationCriticalpatent/AU3147063A/en