AU214513B2 - Improvements in or relating to hardrock drilling apparatus and method of drilling hardrock therewith - Google Patents

Improvements in or relating to hardrock drilling apparatus and method of drilling hardrock therewith

Info

Publication number
AU214513B2
AU214513B2 AU7910/55A AU791055A AU214513B2 AU 214513 B2 AU214513 B2 AU 214513B2 AU 7910/55 A AU7910/55 A AU 7910/55A AU 791055 A AU791055 A AU 791055A AU 214513 B2 AU214513 B2 AU 214513B2
Authority
AU
Australia
Prior art keywords
hardrock
drilling
therewith
relating
drilling apparatus
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
AU7910/55A
Other versions
AU791055A (en
Inventor
Shaw Patrick
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
Application granted granted Critical
Publication of AU791055A publication Critical patent/AU791055A/en
Publication of AU214513B2 publication Critical patent/AU214513B2/en
Expired legal-status Critical Current

Links

AU7910/55A 1955-03-29 Improvements in or relating to hardrock drilling apparatus and method of drilling hardrock therewith Expired AU214513B2 (en)

Publications (2)

Publication Number Publication Date
AU791055A AU791055A (en) 1956-07-05
AU214513B2 true AU214513B2 (en) 1956-07-05

Family

ID=

Similar Documents

Publication Publication Date Title
AU214513B2 (en) Improvements in or relating to hardrock drilling apparatus and method of drilling hardrock therewith
AU791055A (en) Improvements in or relating to hardrock drilling apparatus and method of drilling hardrock therewith
AU208905B2 (en) Improvements in or relating to methods of and apparatus for position-selection, scanning andthe like
AU166995B2 (en) IMPROVEMENTS IN OR RELATING TO CENTRIFUGING METHOD And APPARATUS
CA517127A (en) Alpha-alkoxy-propionaldehydes and method of making same
AU210918B2 (en) Improvements in or relating to methods of apparatus for positionselecting, scanning and tne like
AU1466055A (en) Improvements in or relating to methods of and apparatus for position-selection, scanning andthe like
AU2707354A (en) IMPROVEMENTS IN OR RELATING TO CENTRIFUGING METHOD And APPARATUS
AU209470B2 (en) Improvements in or relating to method and apparatus for modifying the surface of polyethylene
AU1466155A (en) Improvements in or relating to methods of apparatus for positionselecting, scanning and tne like
AU202054B2 (en) Improvements in and relating to methods of and means for electro-erosion
AU166783B2 (en) Improvements in or relating to method and apparatus for surfacing -glass
AU203824B2 (en) Improvements in or relating to heat-sensitive copying-paper and method of making thesame
AU207139B2 (en) Improvements in methods and apparatus forthe obtainment of uranium fluoride
AU206583B2 (en) Improvements in or relating to method and apparatus for disintegrating solid materials
AU200668B2 (en) Improvements in or relating toa method of and apparatus for tunnelling
AU210972B2 (en) Improvements in or relating to dehairing apparatus and method
AU204645B2 (en) Improvements in or relating to structures and method of establishing same
AU204975B2 (en) Improvements in methods and apparatus forthe manufacture of anhydrous uranium fluoride andthe like
CA534351A (en) Specific gravity control apparatus and method of using same
AU208906B2 (en) Improvements in or relating to methods of and apparatus for position-selection, scanning and thelike
AU153759B2 (en) Improvements in or relating to methods of machining and apparatus therefor
AU1865856A (en) Improvements in or relating to method and apparatus for modifying the surface of polyethylene
CA514927A (en) Ethyleneiminopyrimidines and method of making
AU205274B2 (en) Improvements in or relating to method and apparatus forthe production of metal spheres