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CA726374A - Roof supporting means for mines - Google Patents

Roof supporting means for mines

Info

Publication number
CA726374A
CA726374A CA726374A CA726374DA CA726374A CA 726374 A CA726374 A CA 726374A CA 726374 A CA726374 A CA 726374A CA 726374D A CA726374D A CA 726374DA CA 726374 A CA726374 A CA 726374A
Authority
CA
Canada
Prior art keywords
mines
supporting means
roof supporting
roof
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
CA726374A
Inventor
W. Seddon Jeffrey
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 CA726374A publication Critical patent/CA726374A/en
Expired legal-status Critical Current

Links

CA726374A Roof supporting means for mines Expired CA726374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA726374T

Publications (1)

Publication Number Publication Date
CA726374A true CA726374A (en) 1966-01-25

Family

ID=36065280

Family Applications (1)

Application Number Title Priority Date Filing Date
CA726374A Expired CA726374A (en) Roof supporting means for mines

Country Status (1)

Country Link
CA (1) CA726374A (en)

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