CA166247A - Foret a roc - Google Patents

Foret a roc

Info

Publication number
CA166247A
CA166247A CA000166247A CA166247DA CA166247A CA 166247 A CA166247 A CA 166247A CA 000166247 A CA000166247 A CA 000166247A CA 166247D A CA166247D A CA 166247DA CA 166247 A CA166247 A CA 166247A
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
CA000166247A
Other languages
English (en)
Inventor
Pearson Jopling
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.)
ZERBA SARA LAURA
Original Assignee
ZERBA SARA LAURA
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 ZERBA SARA LAURA filed Critical ZERBA SARA LAURA
Application granted granted Critical
Publication of CA166247A publication Critical patent/CA166247A/fr
Expired legal-status Critical Current

Links

CA000166247A 1915-09-20 1915-09-20 Foret a roc Expired CA166247A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166247T 1915-09-20

Publications (1)

Publication Number Publication Date
CA166247A true CA166247A (fr) 1915-11-23

Family

ID=45285925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000166247A Expired CA166247A (fr) 1915-09-20 1915-09-20 Foret a roc

Country Status (1)

Country Link
CA (1) CA166247A (fr)

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