CA873649A - Mine roof support - Google Patents

Mine roof support

Info

Publication number
CA873649A
CA873649A CA873649A CA873649DA CA873649A CA 873649 A CA873649 A CA 873649A CA 873649 A CA873649 A CA 873649A CA 873649D A CA873649D A CA 873649DA CA 873649 A CA873649 A CA 873649A
Authority
CA
Canada
Prior art keywords
roof support
mine roof
mine
support
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
CA873649A
Inventor
J. Kovacs Lajos
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.)
Ohio Brass Co
Original Assignee
Ohio Brass Co
Publication date
Application granted granted Critical
Publication of CA873649A publication Critical patent/CA873649A/en
Expired legal-status Critical Current

Links

CA873649A Mine roof support Expired CA873649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA873649T

Publications (1)

Publication Number Publication Date
CA873649A true CA873649A (en) 1971-06-22

Family

ID=36359609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA873649A Expired CA873649A (en) Mine roof support

Country Status (1)

Country Link
CA (1) CA873649A (en)

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