AU133586B2 - Improvements in or relating tothe roofs of colliery or other workings - Google Patents

Improvements in or relating tothe roofs of colliery or other workings

Info

Publication number
AU133586B2
AU133586B2 AU11449/47A AU1144947A AU133586B2 AU 133586 B2 AU133586 B2 AU 133586B2 AU 11449/47 A AU11449/47 A AU 11449/47A AU 1144947 A AU1144947 A AU 1144947A AU 133586 B2 AU133586 B2 AU 133586B2
Authority
AU
Australia
Prior art keywords
colliery
workings
roofs
relating tothe
tothe
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
AU11449/47A
Other versions
AU1144947A (en
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.)
Zako Sytse Bejil
Original Assignee
Zako Sytse Bejil
Filing date
Publication date
Application filed by Zako Sytse Bejil filed Critical Zako Sytse Bejil
Application granted granted Critical
Publication of AU1144947A publication Critical patent/AU1144947A/en
Publication of AU133586B2 publication Critical patent/AU133586B2/en
Expired legal-status Critical Current

Links

AU11449/47A 1947-04-15 Improvements in or relating tothe roofs of colliery or other workings Expired AU133586B2 (en)

Publications (2)

Publication Number Publication Date
AU1144947A AU1144947A (en) 1947-05-15
AU133586B2 true AU133586B2 (en) 1947-05-15

Family

ID=

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