AU286374B2 - Extraction of coal from deep seams - Google Patents

Extraction of coal from deep seams

Info

Publication number
AU286374B2
AU286374B2 AU44864/64A AU4486464A AU286374B2 AU 286374 B2 AU286374 B2 AU 286374B2 AU 44864/64 A AU44864/64 A AU 44864/64A AU 4486464 A AU4486464 A AU 4486464A AU 286374 B2 AU286374 B2 AU 286374B2
Authority
AU
Australia
Prior art keywords
coal
extraction
deep seams
seams
deep
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
AU44864/64A
Other versions
AU4486464A (en
Inventor
Heyer Welly
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 Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Application granted granted Critical
Publication of AU286374B2 publication Critical patent/AU286374B2/en
Publication of AU4486464A publication Critical patent/AU4486464A/en
Expired legal-status Critical Current

Links

AU44864/64A 1963-06-19 1964-05-22 Extraction of coal from deep seams Expired AU286374B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEDE037988 1963-06-19

Publications (2)

Publication Number Publication Date
AU286374B2 true AU286374B2 (en) 1965-11-25
AU4486464A AU4486464A (en) 1965-11-25

Family

ID=

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