AU142091B2 - Improvements in or relating to rotary boring bits - Google Patents

Improvements in or relating to rotary boring bits

Info

Publication number
AU142091B2
AU142091B2 AU29425/49A AU2942549A AU142091B2 AU 142091 B2 AU142091 B2 AU 142091B2 AU 29425/49 A AU29425/49 A AU 29425/49A AU 2942549 A AU2942549 A AU 2942549A AU 142091 B2 AU142091 B2 AU 142091B2
Authority
AU
Australia
Prior art keywords
relating
boring bits
rotary boring
rotary
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
AU29425/49A
Other versions
AU2942549A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU142091B2 publication Critical patent/AU142091B2/en
Publication of AU2942549A publication Critical patent/AU2942549A/en
Expired legal-status Critical Current

Links

AU29425/49A 1949-08-22 Improvements in or relating to rotary boring bits Expired AU142091B2 (en)

Publications (2)

Publication Number Publication Date
AU142091B2 true AU142091B2 (en) 1949-10-27
AU2942549A AU2942549A (en) 1949-10-27

Family

ID=

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