AU2708663A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
AU2708663A
AU2708663A AU27086/63A AU2708663A AU2708663A AU 2708663 A AU2708663 A AU 2708663A AU 27086/63 A AU27086/63 A AU 27086/63A AU 2708663 A AU2708663 A AU 2708663A AU 2708663 A AU2708663 A AU 2708663A
Authority
AU
Australia
Prior art keywords
improvements relating
roof supports
mine workings
workings
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
AU27086/63A
Other versions
AU275272B2 (en
Inventor
Maria Groetschel Karl
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 AU2708663A publication Critical patent/AU2708663A/en
Publication of AU275272B2 publication Critical patent/AU275272B2/en
Expired legal-status Critical Current

Links

AU27086/63A 1963-02-05 Improvements relating to roof supports for mine workings Expired AU275272B2 (en)

Publications (2)

Publication Number Publication Date
AU2708663A true AU2708663A (en) 1964-08-06
AU275272B2 AU275272B2 (en) 1964-08-06

Family

ID=

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