CA767886A - Mine roof and like supports - Google Patents

Mine roof and like supports

Info

Publication number
CA767886A
CA767886A CA767886A CA767886DA CA767886A CA 767886 A CA767886 A CA 767886A CA 767886 A CA767886 A CA 767886A CA 767886D A CA767886D A CA 767886DA CA 767886 A CA767886 A CA 767886A
Authority
CA
Canada
Prior art keywords
supports
mine roof
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
CA767886A
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 CA767886A publication Critical patent/CA767886A/en
Expired legal-status Critical Current

Links

CA767886A Mine roof and like supports Expired CA767886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA767886T

Publications (1)

Publication Number Publication Date
CA767886A true CA767886A (en) 1967-09-26

Family

ID=36211294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA767886A Expired CA767886A (en) Mine roof and like supports

Country Status (1)

Country Link
CA (1) CA767886A (en)

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