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AU112173B2 - Improvements in and relating to rock and like drills - Google Patents
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AU112173B2 - Improvements in and relating to rock and like drills - Google Patents

Improvements in and relating to rock and like drills

Info

Publication number
AU112173B2
AU112173B2 AU5614/39A AU561439A AU112173B2 AU 112173 B2 AU112173 B2 AU 112173B2 AU 5614/39 A AU5614/39 A AU 5614/39A AU 561439 A AU561439 A AU 561439A AU 112173 B2 AU112173 B2 AU 112173B2
Authority
AU
Australia
Prior art keywords
drills
rock
relating
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
AU5614/39A
Other versions
AU561439A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU561439A publication Critical patent/AU561439A/en
Publication of AU112173B2 publication Critical patent/AU112173B2/en
Expired legal-status Critical Current

Links

AU5614/39A 1939-12-21 Improvements in and relating to rock and like drills Expired AU112173B2 (en)

Publications (2)

Publication Number Publication Date
AU561439A AU561439A (en) 1941-01-09
AU112173B2 true AU112173B2 (en) 1941-01-09

Family

ID=

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