CA622666A - Rock drilling tools - Google Patents

Rock drilling tools

Info

Publication number
CA622666A
CA622666A CA622666A CA622666DA CA622666A CA 622666 A CA622666 A CA 622666A CA 622666 A CA622666 A CA 622666A CA 622666D A CA622666D A CA 622666DA CA 622666 A CA622666 A CA 622666A
Authority
CA
Canada
Prior art keywords
rock drilling
drilling tools
tools
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
CA622666A
Inventor
F. Shepherd Benjamin
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA622666A publication Critical patent/CA622666A/en
Expired legal-status Critical Current

Links

CA622666A Rock drilling tools Expired CA622666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA622666T

Publications (1)

Publication Number Publication Date
CA622666A true CA622666A (en) 1961-06-27

Family

ID=35877849

Family Applications (1)

Application Number Title Priority Date Filing Date
CA622666A Expired CA622666A (en) Rock drilling tools

Country Status (1)

Country Link
CA (1) CA622666A (en)

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