CA381062A - Rock drilling mechanism - Google Patents

Rock drilling mechanism

Info

Publication number
CA381062A
CA381062A CA381062A CA381062DA CA381062A CA 381062 A CA381062 A CA 381062A CA 381062 A CA381062 A CA 381062A CA 381062D A CA381062D A CA 381062DA CA 381062 A CA381062 A CA 381062A
Authority
CA
Canada
Prior art keywords
rock drilling
drilling mechanism
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
CA381062A
Other languages
French (fr)
Inventor
Mark Augustus Palmer, Jr.
Augustus Palmer Mark
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA381062A publication Critical patent/CA381062A/en
Expired legal-status Critical Current

Links

CA381062A Rock drilling mechanism Expired CA381062A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381062T

Publications (1)

Publication Number Publication Date
CA381062A true CA381062A (en) 1939-05-02

Family

ID=35386304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381062A Expired CA381062A (en) Rock drilling mechanism

Country Status (1)

Country Link
CA (1) CA381062A (en)

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