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
AU43437/58A
Inventor
Bartrum Roger
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.)
Defrance & Co Ltd
Original Assignee
Defrance & Co Ltd
Filing date
Publication of AU225495B2publicationCriticalpatent/AU225495B2/en
Application filed by Defrance & Co LtdfiledCriticalDefrance & Co Ltd