CA790286A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
CA790286A
CA790286A CA790286A CA790286DA CA790286A CA 790286 A CA790286 A CA 790286A CA 790286 A CA790286 A CA 790286A CA 790286D A CA790286D A CA 790286DA CA 790286 A CA790286 A CA 790286A
Authority
CA
Canada
Prior art keywords
mine roof
roof supports
supports
mine
roof
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
CA790286A
Inventor
D. Allen Archelaius
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.)
Gullick Ltd
Original Assignee
Gullick Ltd
Publication date
Application granted granted Critical
Publication of CA790286A publication Critical patent/CA790286A/en
Expired legal-status Critical Current

Links

CA790286A Mine roof supports Expired CA790286A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA790286T

Publications (1)

Publication Number Publication Date
CA790286A true CA790286A (en) 1968-07-23

Family

ID=36254257

Family Applications (1)

Application Number Title Priority Date Filing Date
CA790286A Expired CA790286A (en) Mine roof supports

Country Status (1)

Country Link
CA (1) CA790286A (en)

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