CA34715A - Barre a mine - Google Patents

Barre a mine

Info

Publication number
CA34715A
CA34715A CA000034715A CA34715DA CA34715A CA 34715 A CA34715 A CA 34715A CA 000034715 A CA000034715 A CA 000034715A CA 34715D A CA34715D A CA 34715DA CA 34715 A CA34715 A CA 34715A
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
CA000034715A
Other languages
English (en)
Inventor
Moses W. Clay
Thomas B. Kerr
George A. Case
John B. Searge
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 CA34715A publication Critical patent/CA34715A/fr
Expired legal-status Critical Current

Links

CA000034715A Barre a mine Expired CA34715A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA34715T

Publications (1)

Publication Number Publication Date
CA34715A true CA34715A (fr) 1890-07-16

Family

ID=45151255

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000034715A Expired CA34715A (fr) Barre a mine

Country Status (1)

Country Link
CA (1) CA34715A (fr)

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