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AU147882B2 - Improvements in or relating to drill heads - Google Patents
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AU147882B2 - Improvements in or relating to drill heads - Google Patents

Improvements in or relating to drill heads

Info

Publication number
AU147882B2
AU147882B2 AU35848/50A AU3584850A AU147882B2 AU 147882 B2 AU147882 B2 AU 147882B2 AU 35848/50 A AU35848/50 A AU 35848/50A AU 3584850 A AU3584850 A AU 3584850A AU 147882 B2 AU147882 B2 AU 147882B2
Authority
AU
Australia
Prior art keywords
relating
drill heads
drill
heads
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
AU35848/50A
Other versions
AU3584850A (en
Publication date
Application granted granted Critical
Publication of AU3584850A publication Critical patent/AU3584850A/en
Publication of AU147882B2 publication Critical patent/AU147882B2/en
Expired legal-status Critical Current

Links

AU35848/50A Improvements in or relating to drill heads Expired AU147882B2 (en)

Publications (2)

Publication Number Publication Date
AU3584850A AU3584850A (en) 1950-12-21
AU147882B2 true AU147882B2 (en) 1950-12-21

Family

ID=

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