CA617509A - Mine roof bolt installation - Google Patents

Mine roof bolt installation

Info

Publication number
CA617509A
CA617509A CA617509A CA617509DA CA617509A CA 617509 A CA617509 A CA 617509A CA 617509 A CA617509 A CA 617509A CA 617509D A CA617509D A CA 617509DA CA 617509 A CA617509 A CA 617509A
Authority
CA
Canada
Prior art keywords
mine roof
bolt installation
roof bolt
installation
mine
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
CA617509A
Inventor
B. Dempsey Joseph
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 CA617509A publication Critical patent/CA617509A/en
Expired legal-status Critical Current

Links

CA617509A Mine roof bolt installation Expired CA617509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA617509T

Publications (1)

Publication Number Publication Date
CA617509A true CA617509A (en) 1961-04-04

Family

ID=35859802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA617509A Expired CA617509A (en) Mine roof bolt installation

Country Status (1)

Country Link
CA (1) CA617509A (en)

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