AU421021B2 - Improvement in earth orrock drills - Google Patents

Improvement in earth orrock drills

Info

Publication number
AU421021B2
AU421021B2 AU14927/66A AU1492766A AU421021B2 AU 421021 B2 AU421021 B2 AU 421021B2 AU 14927/66 A AU14927/66 A AU 14927/66A AU 1492766 A AU1492766 A AU 1492766A AU 421021 B2 AU421021 B2 AU 421021B2
Authority
AU
Australia
Prior art keywords
orrock
drills
earth
improvement
orrock drills
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
AU14927/66A
Other versions
AU1492766A (en
Inventor
HJALMAR AHLGREN and MARTIN HEIDNIK HANS
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.)
Stabilator AB
Original Assignee
Stabilator AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stabilator AB filed Critical Stabilator AB
Application granted granted Critical
Publication of AU1492766A publication Critical patent/AU1492766A/en
Publication of AU421021B2 publication Critical patent/AU421021B2/en
Expired legal-status Critical Current

Links

AU14927/66A 1965-12-08 1966-12-07 Improvement in earth orrock drills Expired AU421021B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SESE15867/65 1965-12-08

Publications (2)

Publication Number Publication Date
AU1492766A AU1492766A (en) 1968-06-13
AU421021B2 true AU421021B2 (en) 1968-06-13

Family

ID=

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