CA384139A - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
CA384139A
CA384139A CA384139A CA384139DA CA384139A CA 384139 A CA384139 A CA 384139A CA 384139 A CA384139 A CA 384139A CA 384139D A CA384139D A CA 384139DA CA 384139 A CA384139 A CA 384139A
Authority
CA
Canada
Prior art keywords
drill bit
rock drill
rock
bit
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
CA384139A
Other languages
French (fr)
Inventor
Knutson Gustav
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.)
INTERNATIONAL DETACHABLE BITS AND EQUIPMENT
Original Assignee
INTERNATIONAL DETACHABLE BITS AND EQUIPMENT
Publication date
Application granted granted Critical
Publication of CA384139A publication Critical patent/CA384139A/en
Expired legal-status Critical Current

Links

CA384139A Rock drill bit Expired CA384139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA384139T

Publications (1)

Publication Number Publication Date
CA384139A true CA384139A (en) 1939-09-19

Family

ID=35389369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA384139A Expired CA384139A (en) Rock drill bit

Country Status (1)

Country Link
CA (1) CA384139A (en)

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