AU443940A - Improvements in or relating to rock drills having detachable bits - Google Patents

Improvements in or relating to rock drills having detachable bits

Info

Publication number
AU443940A
AU443940A AU4439/40A AU443940A AU443940A AU 443940 A AU443940 A AU 443940A AU 4439/40 A AU4439/40 A AU 4439/40A AU 443940 A AU443940 A AU 443940A AU 443940 A AU443940 A AU 443940A
Authority
AU
Australia
Prior art keywords
relating
rock drills
detachable bits
bits
detachable
Prior art date
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
AU4439/40A
Other versions
AU113214B2 (en
Inventor
Craig Ernest
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU113214B2 publication Critical patent/AU113214B2/en
Publication of AU443940A publication Critical patent/AU443940A/en
Expired legal-status Critical Current

Links

AU4439/40A 1940-12-31 Improvements in or relating to rock drills having detachable bits Expired AU113214B2 (en)

Publications (2)

Publication Number Publication Date
AU113214B2 AU113214B2 (en) 1941-06-12
AU443940A true AU443940A (en) 1941-06-12

Family

ID=

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