CA650116A - Roof support in mines - Google Patents

Roof support in mines

Info

Publication number
CA650116A
CA650116A CA650116A CA650116DA CA650116A CA 650116 A CA650116 A CA 650116A CA 650116 A CA650116 A CA 650116A CA 650116D A CA650116D A CA 650116DA CA 650116 A CA650116 A CA 650116A
Authority
CA
Canada
Prior art keywords
mines
roof support
roof
support
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
CA650116A
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 CA650116A publication Critical patent/CA650116A/en
Expired legal-status Critical Current

Links

CA650116A Roof support in mines Expired CA650116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA650116T

Publications (1)

Publication Number Publication Date
CA650116A true CA650116A (en) 1962-10-09

Family

ID=35938760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA650116A Expired CA650116A (en) Roof support in mines

Country Status (1)

Country Link
CA (1) CA650116A (en)

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