CA903498A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number: CA903498A
Authority: CA; Canada
Prior art keywords: mine roof; roof supports; supports; mine; roof
Prior art date: 1972-06-27
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

CA903498A

Inventor

D. Allen Archelaius

Young Kenneth

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 Dobson Ltd

Original Assignee

Gullick Dobson Ltd

Publication date

1972-06-27

1972-06-27 Application granted granted Critical

1972-06-27 Publication of CA903498A publication Critical patent/CA903498A/en

Status Expired legal-status Critical Current

Links

CA903498A Mine roof supports Expired CA903498A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA903498T

Publications (1)

Publication Number	Publication Date
CA903498A true CA903498A (en)	1972-06-27

Family

ID=36411365

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA903498A Expired CA903498A (en)			Mine roof supports

Country Status (1)

Country	Link
CA (1)	CA903498A (en)

0
- CA CA903498A patent/CA903498A/en not_active Expired

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