CA831765A - Down-the-hole rock drills - Google Patents

Down-the-hole rock drills

Info

Publication number
CA831765A
CA831765A CA831765A CA831765DA CA831765A CA 831765 A CA831765 A CA 831765A CA 831765 A CA831765 A CA 831765A CA 831765D A CA831765D A CA 831765DA CA 831765 A CA831765 A CA 831765A
Authority
CA
Canada
Prior art keywords
rock drills
hole rock
hole
drills
rock
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
CA831765A
Inventor
J. Thomas William
B. Botha Louis
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.)
THOS BARLOW AND SONS Ltd
Original Assignee
THOS BARLOW AND SONS Ltd
Publication date
Application granted granted Critical
Publication of CA831765A publication Critical patent/CA831765A/en
Expired legal-status Critical Current

Links

CA831765A Down-the-hole rock drills Expired CA831765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA831765T

Publications (1)

Publication Number Publication Date
CA831765A true CA831765A (en) 1970-01-13

Family

ID=36309226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA831765A Expired CA831765A (en) Down-the-hole rock drills

Country Status (1)

Country Link
CA (1) CA831765A (en)

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