CA632042A - Rock drilling bits - Google Patents

Rock drilling bits

Info

Publication number
CA632042A
CA632042A CA632042A CA632042DA CA632042A CA 632042 A CA632042 A CA 632042A CA 632042 A CA632042 A CA 632042A CA 632042D A CA632042D A CA 632042DA CA 632042 A CA632042 A CA 632042A
Authority
CA
Canada
Prior art keywords
rock drilling
drilling bits
bits
rock
drilling
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
CA632042A
Inventor
R. Brown George
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.)
SECURITY ROCK BITS Ltd
Original Assignee
SECURITY ROCK BITS Ltd
Publication date
Application granted granted Critical
Publication of CA632042A publication Critical patent/CA632042A/en
Expired legal-status Critical Current

Links

CA632042A Rock drilling bits Expired CA632042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA632042T

Publications (1)

Publication Number Publication Date
CA632042A true CA632042A (en) 1961-12-05

Family

ID=35888187

Family Applications (1)

Application Number Title Priority Date Filing Date
CA632042A Expired CA632042A (en) Rock drilling bits

Country Status (1)

Country Link
CA (1) CA632042A (en)

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