FR1072231A - Firedamp extraction process in mining - Google Patents

Firedamp extraction process in mining

Info

Publication number
FR1072231A
FR1072231A FR1072231DA FR1072231A FR 1072231 A FR1072231 A FR 1072231A FR 1072231D A FR1072231D A FR 1072231DA FR 1072231 A FR1072231 A FR 1072231A
Authority
FR
France
Prior art keywords
firedamp
mining
extraction process
extraction
firedamp extraction
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
Other languages
French (fr)
Inventor
Ewald Gremmler
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 filed Critical
Application granted granted Critical
Publication of FR1072231A publication Critical patent/FR1072231A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1072231D 1952-03-06 1953-03-05 Firedamp extraction process in mining Expired FR1072231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1072231X 1952-03-06

Publications (1)

Publication Number Publication Date
FR1072231A true FR1072231A (en) 1954-09-09

Family

ID=7719920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072231D Expired FR1072231A (en) 1952-03-06 1953-03-05 Firedamp extraction process in mining

Country Status (1)

Country Link
FR (1) FR1072231A (en)

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