CA864777A - Advancing mine roof support - Google Patents

Advancing mine roof support

Info

Publication number
CA864777A
CA864777A CA864777A CA864777DA CA864777A CA 864777 A CA864777 A CA 864777A CA 864777 A CA864777 A CA 864777A CA 864777D A CA864777D A CA 864777DA CA 864777 A CA864777 A CA 864777A
Authority
CA
Canada
Prior art keywords
roof support
mine roof
advancing mine
advancing
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
CA864777A
Inventor
Shuttleworth Peter
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.)
Mastabar Mining Equipment Co Ltd
Original Assignee
Mastabar Mining Equipment Co Ltd
Publication date
Application granted granted Critical
Publication of CA864777A publication Critical patent/CA864777A/en
Expired legal-status Critical Current

Links

CA864777A Advancing mine roof support Expired CA864777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA864777T

Publications (1)

Publication Number Publication Date
CA864777A true CA864777A (en) 1971-03-02

Family

ID=36350105

Family Applications (1)

Application Number Title Priority Date Filing Date
CA864777A Expired CA864777A (en) Advancing mine roof support

Country Status (1)

Country Link
CA (1) CA864777A (en)

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