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AU111483B2 - Improvements in detachable drill bits and shafts for use with rock drills - Google Patents
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AU111483B2 - Improvements in detachable drill bits and shafts for use with rock drills - Google Patents

Improvements in detachable drill bits and shafts for use with rock drills

Info

Publication number
AU111483B2
AU111483B2 AU532/40A AU53240A AU111483B2 AU 111483 B2 AU111483 B2 AU 111483B2 AU 532/40 A AU532/40 A AU 532/40A AU 53240 A AU53240 A AU 53240A AU 111483 B2 AU111483 B2 AU 111483B2
Authority
AU
Australia
Prior art keywords
shafts
drill bits
rock drills
detachable drill
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
AU532/40A
Other versions
AU53240A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU53240A publication Critical patent/AU53240A/en
Publication of AU111483B2 publication Critical patent/AU111483B2/en
Expired legal-status Critical Current

Links

AU532/40A 1940-02-10 Improvements in detachable drill bits and shafts for use with rock drills Expired AU111483B2 (en)

Publications (2)

Publication Number Publication Date
AU53240A AU53240A (en) 1940-09-19
AU111483B2 true AU111483B2 (en) 1940-09-19

Family

ID=

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