CA689633A - Rock drill bits - Google Patents

Rock drill bits

Info

Publication number
CA689633A
CA689633A CA689633A CA689633DA CA689633A CA 689633 A CA689633 A CA 689633A CA 689633 A CA689633 A CA 689633A CA 689633D A CA689633D A CA 689633DA CA 689633 A CA689633 A CA 689633A
Authority
CA
Canada
Prior art keywords
drill bits
rock drill
rock
bits
drill
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
CA689633A
Inventor
H. Schlossin Helmuth
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.)
Hard Metals Ltd
Original Assignee
Hard Metals Ltd
Publication date
Application granted granted Critical
Publication of CA689633A publication Critical patent/CA689633A/en
Expired legal-status Critical Current

Links

CA689633A Rock drill bits Expired CA689633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA689633T

Publications (1)

Publication Number Publication Date
CA689633A true CA689633A (en) 1964-06-30

Family

ID=35992248

Family Applications (1)

Application Number Title Priority Date Filing Date
CA689633A Expired CA689633A (en) Rock drill bits

Country Status (1)

Country Link
CA (1) CA689633A (en)

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