CA9984A - Perfectionnements aux forets de mines - Google Patents

Perfectionnements aux forets de mines

Info

Publication number
CA9984A
CA9984A CA000009984A CA9984DA CA9984A CA 9984 A CA9984 A CA 9984A CA 000009984 A CA000009984 A CA 000009984A CA 9984D A CA9984D A CA 9984DA CA 9984 A CA9984 A CA 9984A
Authority
CA
Canada
Prior art keywords
rock drills
drills
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
CA000009984A
Other languages
English (en)
Inventor
Jonathan Neff
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 CA9984A publication Critical patent/CA9984A/fr
Expired legal-status Critical Current

Links

CA000009984A Perfectionnements aux forets de mines Expired CA9984A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA9984T

Publications (1)

Publication Number Publication Date
CA9984A true CA9984A (fr) 1879-05-26

Family

ID=45126531

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000009984A Expired CA9984A (fr) Perfectionnements aux forets de mines

Country Status (1)

Country Link
CA (1) CA9984A (fr)

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