CA516857A - Perforateur de roche ou de maconnerie - Google Patents

Perforateur de roche ou de maconnerie

Info

Publication number
CA516857A
CA516857A CA516857A CA516857DA CA516857A CA 516857 A CA516857 A CA 516857A CA 516857 A CA516857 A CA 516857A CA 516857D A CA516857D A CA 516857DA CA 516857 A CA516857 A CA 516857A
Authority
CA
Canada
Prior art keywords
rock
masonry drill
masonry
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
CA516857A
Other languages
English (en)
Inventor
M. Hargrave 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA516857A publication Critical patent/CA516857A/fr
Expired legal-status Critical Current

Links

CA516857A Perforateur de roche ou de maconnerie Expired CA516857A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA516857T

Publications (1)

Publication Number Publication Date
CA516857A true CA516857A (fr) 1955-09-27

Family

ID=35670050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA516857A Expired CA516857A (fr) Perforateur de roche ou de maconnerie

Country Status (1)

Country Link
CA (1) CA516857A (fr)

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