AU4439668A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
AU4439668A
AU4439668A AU44396/68A AU4439668A AU4439668A AU 4439668 A AU4439668 A AU 4439668A AU 44396/68 A AU44396/68 A AU 44396/68A AU 4439668 A AU4439668 A AU 4439668A AU 4439668 A AU4439668 A AU 4439668A
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
AU44396/68A
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
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 Individual filed Critical Individual
Publication of AU4439668A publication Critical patent/AU4439668A/en
Expired legal-status Critical Current

Links

AU44396/68A 1967-10-10 1968-10-08 Improvements relating to roof supports for mine workings Expired AU4439668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB46258/67 1967-10-10

Publications (1)

Publication Number Publication Date
AU4439668A true AU4439668A (en) 1970-04-16

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593780B2 (en) * 1979-01-18 1990-02-22 Tamrock World Corporation Nv Temporary support for a mine roof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593780B2 (en) * 1979-01-18 1990-02-22 Tamrock World Corporation Nv Temporary support for a mine roof

Similar Documents

Publication Publication Date Title
AU2078467A (en) Improvements relating to roof supports for mine workings
AU4439668A (en) Improvements relating to roof supports for mine workings
AU1707767A (en) Improvements relating to roof supports for mine workings
AU275821B2 (en) Improvements relating to roof supports for mine workings
CA766473A (en) Roof supports for mine workings
CA770362A (en) Roof supports for mine workings
CA770361A (en) Roof supports for mine workings
CA758322A (en) Roof supports for mine workings
CA760173A (en) Roof supports for mine workings
CA760174A (en) Roof supports for mine workings
CA760673A (en) Roof supports for mine workings
AU432165B2 (en) Improvements relating to roof supporting systems for mine workings
AU458766A (en) Improvements relating to roof supports for mine workings
AU6736865A (en) Improvements relating to roof supports for mine workings
AU6054165A (en) Improvements relating to roof supports for mine workings
AU275272B2 (en) Improvements relating to roof supports for mine workings
CA669699A (en) Roof supports for mine workings
AU290833B2 (en) Improvements relating to advancing mine roof supports
AU2708663A (en) Improvements relating to roof supports for mine workings
CA758324A (en) Mine roof supports
AU442351B2 (en) Mine roof supports
AU276021B2 (en) Improvements relating to roof supports primarily for use in mine workings
AU276061B2 (en) Improvements relating to roof supports primarily for use in mine workings
AU275841B2 (en) Improvements relating to roof supports primarily for use in mine workings
AU4821064A (en) Improvements relating to advancing mine roof supports