Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
AU156077B2 - Improvements in and relating to drill bits - Google Patents
[go: Go Back, main page]

AU156077B2 - Improvements in and relating to drill bits - Google Patents

Improvements in and relating to drill bits

Info

Publication number
AU156077B2
AU156077B2 AU11501/52A AU1150152A AU156077B2 AU 156077 B2 AU156077 B2 AU 156077B2 AU 11501/52 A AU11501/52 A AU 11501/52A AU 1150152 A AU1150152 A AU 1150152A AU 156077 B2 AU156077 B2 AU 156077B2
Authority
AU
Australia
Prior art keywords
relating
drill bits
drill
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 - Lifetime
Application number
AU11501/52A
Filing date
Publication of AU156077B2 publication Critical patent/AU156077B2/en
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU11501/52A 1952-07-23 Improvements in and relating to drill bits Expired - Lifetime AU156077B2 (en)

Publications (1)

Publication Number Publication Date
AU156077B2 true AU156077B2 (en)

Family

ID=

Similar Documents

Publication Publication Date Title
AU156077B2 (en) Improvements in and relating to drill bits
AU156264B2 (en) Improvements in or relating to drilling bits
AU1243952A (en) Improvements in or relating to drilling bits
AU153493B2 (en) Improvements in and relating to posthole diggers
AU891952A (en) Improvements in and relating to posthole diggers
AU155880B2 (en) Improvements in or relating to rock boring tools
AU1101952A (en) Improvements in or relating to rock boring tools
AU157278B2 (en) Improvements in posthole diggers
AU150758B2 (en) Improvements in or relating to drill bits
AU1191952A (en) Improvements in and relating to cloches
AU160138B2 (en) Improvements in and connected with root-crop diggers
AU1276652A (en) Improvements in posthole diggers
AU201262B2 (en) Improvements in and relating to rock drills and detachable bits therefor
AU153532B2 (en) Improvements in or relating to gyro-verticals
AU153427B2 (en) Improvements in or relating to hydro-extractors
AU153428B2 (en) Improvements in or relating to hydro-extractors
AU155872B2 (en) Improvements In or relating to seals
AU160595B2 (en) Improvements in and relating to cultivators
AU155894B2 (en) Improvements in and relating to dap-spinning machines
AU208050B2 (en) Improvements in or relating to scoops
AU155568B2 (en) Improvements in and relating to gloves
AU156576B2 (en) Improvements in or relating to vices
AU3543950A (en) Improvements in or relating to drill bits
AU153361B2 (en) Improvements in and relating to coal cutting machines
AU158031B2 (en) Improvements in or relating to hydraulic oscellators