CA907875A - Mine roof supporting means - Google Patents

Mine roof supporting means

Info

Publication number
CA907875A
CA907875A CA907875A CA907875DA CA907875A CA 907875 A CA907875 A CA 907875A CA 907875 A CA907875 A CA 907875A CA 907875D A CA907875D A CA 907875DA CA 907875 A CA907875 A CA 907875A
Authority
CA
Canada
Prior art keywords
supporting means
mine roof
roof supporting
mine
supporting
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
CA907875A
Inventor
W. Taylor Laurence
Town Frank
Joyce Burton
Omiotek Emil
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.)
WE&F Dobson Ltd
Original Assignee
WE&F Dobson Ltd
Publication date
Application granted granted Critical
Publication of CA907875A publication Critical patent/CA907875A/en
Expired legal-status Critical Current

Links

CA907875A Mine roof supporting means Expired CA907875A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA907875T

Publications (1)

Publication Number Publication Date
CA907875A true CA907875A (en) 1972-08-22

Family

ID=36415587

Family Applications (1)

Application Number Title Priority Date Filing Date
CA907875A Expired CA907875A (en) Mine roof supporting means

Country Status (1)

Country Link
CA (1) CA907875A (en)

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