CA768865A - Mine roof and like supports - Google Patents

Mine roof and like supports

Info

Publication number
CA768865A
CA768865A CA768865A CA768865DA CA768865A CA 768865 A CA768865 A CA 768865A CA 768865 A CA768865 A CA 768865A CA 768865D A CA768865D A CA 768865DA CA 768865 A CA768865 A CA 768865A
Authority
CA
Canada
Prior art keywords
supports
mine roof
mine
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
CA768865A
Inventor
R. G. P. Jackson Reginald
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 CA768865A publication Critical patent/CA768865A/en
Expired legal-status Critical Current

Links

CA768865A Mine roof and like supports Expired CA768865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA768865T

Publications (1)

Publication Number Publication Date
CA768865A true CA768865A (en) 1967-10-10

Family

ID=36212275

Family Applications (1)

Application Number Title Priority Date Filing Date
CA768865A Expired CA768865A (en) Mine roof and like supports

Country Status (1)

Country Link
CA (1) CA768865A (en)

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