CA758324A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
CA758324A
CA758324A CA758324A CA758324DA CA758324A CA 758324 A CA758324 A CA 758324A CA 758324 A CA758324 A CA 758324A CA 758324D A CA758324D A CA 758324DA CA 758324 A CA758324 A CA 758324A
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
CA758324A
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 CA758324A publication Critical patent/CA758324A/en
Expired legal-status Critical Current

Links

CA758324A Mine roof supports Expired CA758324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA758324T

Publications (1)

Publication Number Publication Date
CA758324A true CA758324A (en) 1967-05-09

Family

ID=36195430

Family Applications (1)

Application Number Title Priority Date Filing Date
CA758324A Expired CA758324A (en) Mine roof supports

Country Status (1)

Country Link
CA (1) CA758324A (en)

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