AU441231A - Apparatus for drilling earth - Google Patents

Apparatus for drilling earth

Info

Publication number
AU441231A
AU441231A AU4412/31A AU441231A AU441231A AU 441231 A AU441231 A AU 441231A AU 4412/31 A AU4412/31 A AU 4412/31A AU 441231 A AU441231 A AU 441231A AU 441231 A AU441231 A AU 441231A
Authority
AU
Australia
Prior art keywords
drilling earth
drilling
earth
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
AU4412/31A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU441231A publication Critical patent/AU441231A/en
Expired legal-status Critical Current

Links

AU4412/31A 1931-10-08 Apparatus for drilling earth Expired AU441231A (en)

Publications (1)

Publication Number Publication Date
AU441231A true AU441231A (en) 1932-10-20

Family

ID=

Similar Documents

Publication Publication Date Title
AU441231A (en) Apparatus for drilling earth
CA309335A (en) Earth boring apparatus
CA311341A (en) Well drilling apparatus
CA310449A (en) Drilling apparatus
CA325980A (en) Earth drilling apparatus
CA309187A (en) Earth working apparatus
CA320510A (en) Earth boring apparatus
CA319362A (en) Earth boring apparatus
CA314883A (en) Mining apparatus
CA317067A (en) Mining apparatus
CA317188A (en) Well drilling equipment
CA312044A (en) Borehole directional apparatus
CA312452A (en) Rock drill
CA316937A (en) Cable-line device for drilling machines
CA311013A (en) Drill
CA312287A (en) Drill
CA317876A (en) Drill
CA316125A (en) Centralizer for drill steels
CA317567A (en) Seed drill
CA312065A (en) Earth moving device
CA310221A (en) Well surveying device
CA310222A (en) Well surveying device
CA310223A (en) Well surveying device
CA310226A (en) Well surveying device
CA315893A (en) Earth boring drill