CA383663A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA383663A
CA383663A CA383663A CA383663DA CA383663A CA 383663 A CA383663 A CA 383663A CA 383663 A CA383663 A CA 383663A CA 383663D A CA383663D A CA 383663DA CA 383663 A CA383663 A CA 383663A
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
CA383663A
Other languages
French (fr)
Inventor
H. Lind 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.)
American Smelting and Refining Co
Original Assignee
American Smelting and Refining Co
Publication date
Application granted granted Critical
Publication of CA383663A publication Critical patent/CA383663A/en
Expired legal-status Critical Current

Links

CA383663A Rock drill Expired CA383663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA383663T

Publications (1)

Publication Number Publication Date
CA383663A true CA383663A (en) 1939-08-29

Family

ID=35388895

Family Applications (1)

Application Number Title Priority Date Filing Date
CA383663A Expired CA383663A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA383663A (en)

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