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AU161155B2 - Improvements in annular sweep drills and/or hole cutters - Google Patents
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AU161155B2 - Improvements in annular sweep drills and/or hole cutters - Google Patents

Improvements in annular sweep drills and/or hole cutters

Info

Publication number
AU161155B2
AU161155B2 AU17081/53A AU1708153A AU161155B2 AU 161155 B2 AU161155 B2 AU 161155B2 AU 17081/53 A AU17081/53 A AU 17081/53A AU 1708153 A AU1708153 A AU 1708153A AU 161155 B2 AU161155 B2 AU 161155B2
Authority
AU
Australia
Prior art keywords
drills
hole cutters
annular sweep
sweep
annular
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
AU17081/53A
Other versions
AU1708153A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU1708153A publication Critical patent/AU1708153A/en
Publication of AU161155B2 publication Critical patent/AU161155B2/en
Expired legal-status Critical Current

Links

AU17081/53A 1953-03-26 Improvements in annular sweep drills and/or hole cutters Expired AU161155B2 (en)

Publications (2)

Publication Number Publication Date
AU1708153A AU1708153A (en) 1953-05-28
AU161155B2 true AU161155B2 (en) 1953-05-28

Family

ID=

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