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
AU7793/55A
Inventor
Bernard Smith and Walter Reginald Penberthy Douglas
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.)
CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd
Original Assignee
CLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd
Filing date
Publication of AU200688B2publicationCriticalpatent/AU200688B2/en
Application filed by CLIMAX ROCK DRILL AND ENGINEERING WORKS LtdfiledCriticalCLIMAX ROCK DRILL AND ENGINEERING WORKS Ltd