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
AU2698/66A
Inventor
RICHARD SIMPSON On
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.)
Pt) G & J Weir Ltd
Original Assignee
Pt) G & J Weir Ltd
Publication date
Publication of AU269866ApublicationCriticalpatent/AU269866A/en