CA139780A - Foret a roc - Google Patents

Foret a roc

Info

Publication number
CA139780A
CA139780A CA000139780A CA139780DA CA139780A CA 139780 A CA139780 A CA 139780A CA 000139780 A CA000139780 A CA 000139780A CA 139780D A CA139780D A CA 139780DA CA 139780 A CA139780 A CA 139780A
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
CA000139780A
Other languages
English (en)
Inventor
Hans Edgar Karavgahaka
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 CA139780A publication Critical patent/CA139780A/fr
Expired legal-status Critical Current

Links

CA000139780A 1911-12-18 1911-12-18 Foret a roc Expired CA139780A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA139780T 1911-12-18

Publications (1)

Publication Number Publication Date
CA139780A true CA139780A (fr) 1912-04-16

Family

ID=45259496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000139780A Expired CA139780A (fr) 1911-12-18 1911-12-18 Foret a roc

Country Status (1)

Country Link
CA (1) CA139780A (fr)

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