CA7445A - Perfectionnements aux forets de mines - Google Patents

Perfectionnements aux forets de mines

Info

Publication number
CA7445A
CA7445A CA000007445A CA7445DA CA7445A CA 7445 A CA7445 A CA 7445A CA 000007445 A CA000007445 A CA 000007445A CA 7445D A CA7445D A CA 7445DA CA 7445 A CA7445 A CA 7445A
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
CA000007445A
Other languages
English (en)
Inventor
Simon Ingersoll
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 CA7445A publication Critical patent/CA7445A/fr
Expired legal-status Critical Current

Links

CA000007445A Perfectionnements aux forets de mines Expired CA7445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA7445T

Publications (1)

Publication Number Publication Date
CA7445A true CA7445A (fr) 1877-05-10

Family

ID=45123994

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000007445A Expired CA7445A (fr) Perfectionnements aux forets de mines

Country Status (1)

Country Link
CA (1) CA7445A (fr)

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