CA73783A - Barre a mine - Google Patents

Barre a mine

Info

Publication number
CA73783A
CA73783A CA000073783A CA73783DA CA73783A CA 73783 A CA73783 A CA 73783A CA 000073783 A CA000073783 A CA 000073783A CA 73783D A CA73783D A CA 73783DA CA 73783 A CA73783 A CA 73783A
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
CA000073783A
Other languages
English (en)
Inventor
George Seymour Maxwell
George White
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.)
CRIPPEN HENRY DURELL
Original Assignee
CRIPPEN HENRY DURELL
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 CRIPPEN HENRY DURELL filed Critical CRIPPEN HENRY DURELL
Application granted granted Critical
Publication of CA73783A publication Critical patent/CA73783A/fr
Expired legal-status Critical Current

Links

CA000073783A 1901-10-28 1901-10-28 Barre a mine Expired CA73783A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA73783T 1901-10-28

Publications (1)

Publication Number Publication Date
CA73783A true CA73783A (fr) 1901-11-19

Family

ID=45190320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000073783A Expired CA73783A (fr) 1901-10-28 1901-10-28 Barre a mine

Country Status (1)

Country Link
CA (1) CA73783A (fr)

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