CA70442A - Barre a mine - Google Patents

Barre a mine

Info

Publication number
CA70442A
CA70442A CA000070442A CA70442DA CA70442A CA 70442 A CA70442 A CA 70442A CA 000070442 A CA000070442 A CA 000070442A CA 70442D A CA70442D A CA 70442DA CA 70442 A CA70442 A CA 70442A
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
CA000070442A
Other languages
English (en)
Inventor
Wirt W. Waite
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA70442A publication Critical patent/CA70442A/fr
Expired legal-status Critical Current

Links

CA000070442A 1901-02-08 1901-02-08 Barre a mine Expired CA70442A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA70442T 1901-02-08

Publications (1)

Publication Number Publication Date
CA70442A true CA70442A (fr) 1901-03-05

Family

ID=45186979

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000070442A Expired CA70442A (fr) 1901-02-08 1901-02-08 Barre a mine

Country Status (1)

Country Link
CA (1) CA70442A (fr)

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