AU123719B2 - Recoverable tubular steel mining prop - Google Patents

Recoverable tubular steel mining prop

Info

Publication number
AU123719B2
AU123719B2 AU13845/44A AU1384544A AU123719B2 AU 123719 B2 AU123719 B2 AU 123719B2 AU 13845/44 A AU13845/44 A AU 13845/44A AU 1384544 A AU1384544 A AU 1384544A AU 123719 B2 AU123719 B2 AU 123719B2
Authority
AU
Australia
Prior art keywords
tubular steel
steel mining
recoverable tubular
mining prop
prop
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
AU13845/44A
Other versions
AU1384544A (en
Inventor
Earl. John Sneddon John
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU123719B2 publication Critical patent/AU123719B2/en
Publication of AU1384544A publication Critical patent/AU1384544A/en
Expired legal-status Critical Current

Links

AU13845/44A 1944-04-13 Recoverable tubular steel mining prop Expired AU123719B2 (en)

Publications (2)

Publication Number Publication Date
AU123719B2 true AU123719B2 (en) 1947-03-13
AU1384544A AU1384544A (en) 1947-03-13

Family

ID=

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