CA899080A - Roof support of underground mines and openings - Google Patents

Roof support of underground mines and openings

Info

Publication number
CA899080A
CA899080A CA899080A CA899080DA CA899080A CA 899080 A CA899080 A CA 899080A CA 899080 A CA899080 A CA 899080A CA 899080D A CA899080D A CA 899080DA CA 899080 A CA899080 A CA 899080A
Authority
CA
Canada
Prior art keywords
openings
roof support
underground mines
mines
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
CA899080A
Inventor
C. White Claude
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA899080A publication Critical patent/CA899080A/en
Expired legal-status Critical Current

Links

CA899080A Roof support of underground mines and openings Expired CA899080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA899080T

Publications (1)

Publication Number Publication Date
CA899080A true CA899080A (en) 1972-05-02

Family

ID=36404944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA899080A Expired CA899080A (en) Roof support of underground mines and openings

Country Status (1)

Country Link
CA (1) CA899080A (en)

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