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CA493930A - Rock drill bit - Google Patents

Rock drill bit

Info

Publication number
CA493930A
CA493930A CA493930A CA493930DA CA493930A CA 493930 A CA493930 A CA 493930A CA 493930 A CA493930 A CA 493930A CA 493930D A CA493930D A CA 493930DA CA 493930 A CA493930 A CA 493930A
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
CA493930A
Other languages
French (fr)
Inventor
B. Baker John
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.)
Timken Co
Original Assignee
Timken Roller Bearing Co
Publication date
Application granted granted Critical
Publication of CA493930A publication Critical patent/CA493930A/en
Expired legal-status Critical Current

Links

CA493930A Rock drill bit Expired CA493930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493930T

Publications (1)

Publication Number Publication Date
CA493930A true CA493930A (en) 1953-06-23

Family

ID=35639323

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493930A Expired CA493930A (en) Rock drill bit

Country Status (1)

Country Link
CA (1) CA493930A (en)

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