AU442947B2 - Rock or earth drilling apparatus and chuck - Google Patents

Rock or earth drilling apparatus and chuck

Info

Publication number: AU442947B2
Authority: AU; Australia
Prior art keywords: chuck; rock; drilling apparatus; earth drilling; earth
Prior art date: 1969-09-12
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

AU60813/69A

Other versions

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.)

Atlas Copco AB

Original Assignee

Atlas Copco AB

Filing date

1969-09-12

Publication date

1971-03-18

1969-09-12 Application filed by Atlas Copco AB filed Critical Atlas Copco AB

1971-03-18 Application granted granted Critical

1971-03-18 Publication of AU442947B2 publication Critical patent/AU442947B2/en

1971-03-18 Publication of AU6081369A publication Critical patent/AU6081369A/en

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1
239000011435 rock Substances 0.000 title 1

AU60813/69A 1969-09-12 Rock or earth drilling apparatus and chuck Expired AU442947B2 (en)

Publications (2)

Publication Number	Publication Date
AU442947B2 true AU442947B2 (en)	1971-03-18
AU6081369A AU6081369A (en)	1971-03-18

Family

ID=

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