CA876437A - Underground mine roof supports - Google Patents

Underground mine roof supports

Info

Publication number
CA876437A
CA876437A CA876437A CA876437DA CA876437A CA 876437 A CA876437 A CA 876437A CA 876437 A CA876437 A CA 876437A CA 876437D A CA876437D A CA 876437DA CA 876437 A CA876437 A CA 876437A
Authority
CA
Canada
Prior art keywords
mine roof
underground mine
roof supports
supports
underground
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
CA876437A
Inventor
Holland Ellis
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.)
AG Wild and Co Ltd
Original Assignee
AG Wild and Co Ltd
Publication date
Application granted granted Critical
Publication of CA876437A publication Critical patent/CA876437A/en
Expired legal-status Critical Current

Links

CA876437A Underground mine roof supports Expired CA876437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA876437T

Publications (1)

Publication Number Publication Date
CA876437A true CA876437A (en) 1971-07-27

Family

ID=36362320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA876437A Expired CA876437A (en) Underground mine roof supports

Country Status (1)

Country Link
CA (1) CA876437A (en)

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