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AU220705B2 - Improvements in drill stands - Google Patents
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AU220705B2 - Improvements in drill stands - Google Patents

Improvements in drill stands

Info

Publication number
AU220705B2
AU220705B2 AU34282/58A AU3428258A AU220705B2 AU 220705 B2 AU220705 B2 AU 220705B2 AU 34282/58 A AU34282/58 A AU 34282/58A AU 3428258 A AU3428258 A AU 3428258A AU 220705 B2 AU220705 B2 AU 220705B2
Authority
AU
Australia
Prior art keywords
drill stands
drill
stands
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
AU34282/58A
Other versions
AU3428258A (en
Inventor
Graham Horstmann and Theo Shereen Bevan
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU220705B2 publication Critical patent/AU220705B2/en
Publication of AU3428258A publication Critical patent/AU3428258A/en
Expired legal-status Critical Current

Links

AU34282/58A 1958-01-06 Improvements in drill stands Expired AU220705B2 (en)

Publications (2)

Publication Number Publication Date
AU220705B2 true AU220705B2 (en) 1958-07-10
AU3428258A AU3428258A (en) 1958-07-10

Family

ID=

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