CA403888A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA403888A
CA403888A CA403888A CA403888DA CA403888A CA 403888 A CA403888 A CA 403888A CA 403888 A CA403888 A CA 403888A CA 403888D A CA403888D A CA 403888DA CA 403888 A CA403888 A CA 403888A
Authority
CA
Canada
Prior art keywords
rock drill
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
CA403888A
Other languages
French (fr)
Inventor
Craig Ernest
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 CA403888A publication Critical patent/CA403888A/en
Expired legal-status Critical Current

Links

CA403888A Rock drill Expired CA403888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA403888T

Publications (1)

Publication Number Publication Date
CA403888A true CA403888A (en) 1942-04-07

Family

ID=35414336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA403888A Expired CA403888A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA403888A (en)

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