CA208908A - Guide de foret a roc - Google Patents

Guide de foret a roc

Info

Publication number
CA208908A
CA208908A CA208908A CA208908DA CA208908A CA 208908 A CA208908 A CA 208908A CA 208908 A CA208908 A CA 208908A CA 208908D A CA208908D A CA 208908DA CA 208908 A CA208908 A CA 208908A
Authority
CA
Canada
Prior art keywords
drill guide
rock drill
rock
guide
drill
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
CA208908A
Other languages
English (en)
Inventor
Hall Oliver
P. Row Victor
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 CA208908A publication Critical patent/CA208908A/fr
Expired legal-status Critical Current

Links

CA208908A Guide de foret a roc Expired CA208908A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA208908T

Publications (1)

Publication Number Publication Date
CA208908A true CA208908A (fr) 1921-03-01

Family

ID=35102687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208908A Expired CA208908A (fr) Guide de foret a roc

Country Status (1)

Country Link
CA (1) CA208908A (fr)

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