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 - Lifetime
Application number
AU3953/54A
Inventor
Wellesley Duncan Angus
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.)
Mining Engineering Co Ltd MECO
Original Assignee
Mining Engineering Co Ltd MECO
Filing date
Publication of AU204934B2publicationCriticalpatent/AU204934B2/en
Application filed by Mining Engineering Co Ltd MECOfiledCriticalMining Engineering Co Ltd MECO