AU436775B2 - Roof support of underground mines and openings - Google Patents

Roof support of underground mines and openings

Info

Publication number
AU436775B2
AU436775B2 AU28572/67A AU2857267A AU436775B2 AU 436775 B2 AU436775 B2 AU 436775B2 AU 28572/67 A AU28572/67 A AU 28572/67A AU 2857267 A AU2857267 A AU 2857267A AU 436775 B2 AU436775 B2 AU 436775B2
Authority
AU
Australia
Prior art keywords
openings
roof support
underground mines
mines
underground
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
AU28572/67A
Other versions
AU2857267A (en
Inventor
C. White Claude
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU2857267A publication Critical patent/AU2857267A/en
Publication of AU436775B2 publication Critical patent/AU436775B2/en
Expired legal-status Critical Current

Links

AU28572/67A 1967-03-22 1967-10-17 Roof support of underground mines and openings Expired AU436775B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS625,070 1967-03-22

Publications (2)

Publication Number Publication Date
AU2857267A AU2857267A (en) 1969-04-24
AU436775B2 true AU436775B2 (en) 1969-04-24

Family

ID=

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