AU458766A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
AU458766A
AU458766A AU4587/66A AU458766A AU458766A AU 458766 A AU458766 A AU 458766A AU 4587/66 A AU4587/66 A AU 4587/66A AU 458766 A AU458766 A AU 458766A AU 458766 A AU458766 A AU 458766A
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
AU4587/66A
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
Publication of AU458766A publication Critical patent/AU458766A/en
Expired legal-status Critical Current

Links

AU4587/66A 1966-04-21 Improvements relating to roof supports for mine workings Expired AU458766A (en)

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU17077/67A Division AU1707767A (en) 1967-01-31 1967-01-31 Improvements relating to roof supports for mine workings

Publications (1)

Publication Number Publication Date
AU458766A true AU458766A (en) 1967-10-26

Family

ID=

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