CA142463A - Foret a roc - Google Patents

Foret a roc

Info

Publication number
CA142463A
CA142463A CA000142463A CA142463DA CA142463A CA 142463 A CA142463 A CA 142463A CA 000142463 A CA000142463 A CA 000142463A CA 142463D A CA142463D A CA 142463DA CA 142463 A CA142463 A CA 142463A
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
CA000142463A
Other languages
English (en)
Inventor
Richard Hanbury Wainford
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 CA142463A publication Critical patent/CA142463A/fr
Expired legal-status Critical Current

Links

CA000142463A 1911-09-06 1911-09-06 Foret a roc Expired CA142463A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA142463T 1911-09-06

Publications (1)

Publication Number Publication Date
CA142463A true CA142463A (fr) 1912-08-20

Family

ID=45262178

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000142463A Expired CA142463A (fr) 1911-09-06 1911-09-06 Foret a roc

Country Status (1)

Country Link
CA (1) CA142463A (fr)

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