CA298790A - Hammer rock drill - Google Patents

Hammer rock drill

Info

Publication number
CA298790A
CA298790A CA298790A CA298790DA CA298790A CA 298790 A CA298790 A CA 298790A CA 298790 A CA298790 A CA 298790A CA 298790D A CA298790D A CA 298790DA CA 298790 A CA298790 A CA 298790A
Authority
CA
Canada
Prior art keywords
rock drill
hammer rock
hammer
drill
rock
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
CA298790A
Other languages
French (fr)
Inventor
Pryce Leslie
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 CA298790A publication Critical patent/CA298790A/en
Expired legal-status Critical Current

Links

CA298790A Hammer rock drill Expired CA298790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298790T

Publications (1)

Publication Number Publication Date
CA298790A true CA298790A (en) 1930-04-01

Family

ID=35236109

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298790A Expired CA298790A (en) Hammer rock drill

Country Status (1)

Country Link
CA (1) CA298790A (en)

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