AU104479B2 - Improvements in and relating to , drill shafts and detachable bits for use with rock drills - Google Patents

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

Info

Publication number
AU104479B2
AU104479B2 AU5098/37A AU509837A AU104479B2 AU 104479 B2 AU104479 B2 AU 104479B2 AU 5098/37 A AU5098/37 A AU 5098/37A AU 509837 A AU509837 A AU 509837A AU 104479 B2 AU104479 B2 AU 104479B2
Authority
AU
Australia
Prior art keywords
relating
rock drills
drill shafts
detachable bits
bits
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
AU5098/37A
Other versions
AU509837A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU509837A publication Critical patent/AU509837A/en
Publication of AU104479B2 publication Critical patent/AU104479B2/en
Expired legal-status Critical Current

Links

AU5098/37A 1937-11-26 Improvements in and relating to , drill shafts and detachable bits for use with rock drills Expired AU104479B2 (en)

Publications (2)

Publication Number Publication Date
AU509837A AU509837A (en) 1938-07-21
AU104479B2 true AU104479B2 (en) 1938-07-21

Family

ID=

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