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AU449631B2 - Improvements in or relating to mine roof supports - Google Patents
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AU449631B2 - Improvements in or relating to mine roof supports - Google Patents

Improvements in or relating to mine roof supports

Info

Publication number
AU449631B2
AU449631B2 AU62895/69A AU6289569A AU449631B2 AU 449631 B2 AU449631 B2 AU 449631B2 AU 62895/69 A AU62895/69 A AU 62895/69A AU 6289569 A AU6289569 A AU 6289569A AU 449631 B2 AU449631 B2 AU 449631B2
Authority
AU
Australia
Prior art keywords
relating
mine roof
roof supports
supports
mine
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
AU62895/69A
Other versions
AU6289569A (en
Inventor
DAWSON ALLEN and KENNETH YOUNG ARCHELAUS
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
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 Gullick Dobson Ltd filed Critical Gullick Dobson Ltd
Application granted granted Critical
Publication of AU6289569A publication Critical patent/AU6289569A/en
Publication of AU449631B2 publication Critical patent/AU449631B2/en
Expired legal-status Critical Current

Links

AU62895/69A 1968-11-05 1969-10-27 Improvements in or relating to mine roof supports Expired AU449631B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB3276 1969-01-21
GBGB42424 1969-08-26
GBGB52291 1969-10-24

Publications (2)

Publication Number Publication Date
AU6289569A AU6289569A (en) 1971-04-29
AU449631B2 true AU449631B2 (en) 1971-04-29

Family

ID=

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