AU3274163A - Coal extraction device, from steep to semi - steep coal seams - Google Patents

Coal extraction device, from steep to semi - steep coal seams

Info

Publication number
AU3274163A
AU3274163A AU32741/63A AU3274163A AU3274163A AU 3274163 A AU3274163 A AU 3274163A AU 32741/63 A AU32741/63 A AU 32741/63A AU 3274163 A AU3274163 A AU 3274163A AU 3274163 A AU3274163 A AU 3274163A
Authority
AU
Australia
Prior art keywords
steep
coal
semi
extraction device
seams
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
AU32741/63A
Other versions
AU273024B2 (en
Inventor
Denis Ernest Dinant Jean
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.)
GEWERKSCHAFT ELSENHUTTE WESTFALIA
Original Assignee
GEWERKSCHAFT ELSENHUTTE WESTFALIA
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 GEWERKSCHAFT ELSENHUTTE WESTFALIA filed Critical GEWERKSCHAFT ELSENHUTTE WESTFALIA
Application granted granted Critical
Publication of AU273024B2 publication Critical patent/AU273024B2/en
Publication of AU3274163A publication Critical patent/AU3274163A/en
Expired legal-status Critical Current

Links

AU32741/63A 1962-07-10 1963-07-08 Coal extraction device, from steep to semi - steep coal seams Expired AU273024B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FRFR904278 1962-07-10

Publications (2)

Publication Number Publication Date
AU273024B2 AU273024B2 (en) 1965-01-14
AU3274163A true AU3274163A (en) 1965-01-14

Family

ID=

Similar Documents

Publication Publication Date Title
CA639050A (en) Oil recovery from tar sands
AU273024B2 (en) Coal extraction device, from steep to semi - steep coal seams
AU3274163A (en) Coal extraction device, from steep to semi - steep coal seams
CA635605A (en) Oil recovery process
CA650458A (en) Solution mining methods
CA647015A (en) Underground combustion process for oil recovery
AU276410B2 (en) Arrangement for underground coal extraction
AU3772063A (en) Arrangement for underground coal extraction
CA648280A (en) Oil recovery
CA692073A (en) Oil recovery
CA636890A (en) Mining machine
AU286374B2 (en) Extraction of coal from deep seams
CA652583A (en) Gas-oil separation
AU271987B2 (en) Oil recovery device
CA634760A (en) Mine prop
AU4486464A (en) Extraction of coal from deep seams
CA636617A (en) Lead alkyl recovery
AU2349562A (en) Oil recovery device
CA600226A (en) Coal mining machine
AU338866A (en) Coal extracting apparatus
CA639031A (en) Mine roof supports
CA644269A (en) Mining machine
CA645667A (en) Mining machine
CA617955A (en) Mining machine
CA650388A (en) Solvent extraction