CA115344A - Foret a roc - Google Patents

Foret a roc

Info

Publication number
CA115344A
CA115344A CA000115344A CA115344DA CA115344A CA 115344 A CA115344 A CA 115344A CA 000115344 A CA000115344 A CA 000115344A CA 115344D A CA115344D A CA 115344DA CA 115344 A CA115344 A CA 115344A
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
CA000115344A
Other languages
English (en)
Inventor
William Prellwitz
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of CA115344A publication Critical patent/CA115344A/fr
Expired legal-status Critical Current

Links

CA000115344A 1908-06-29 1908-06-29 Foret a roc Expired CA115344A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA115344T 1908-06-29

Publications (1)

Publication Number Publication Date
CA115344A true CA115344A (fr) 1908-12-01

Family

ID=45235069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000115344A Expired CA115344A (fr) 1908-06-29 1908-06-29 Foret a roc

Country Status (1)

Country Link
CA (1) CA115344A (fr)

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