FR1070123A - Extraction du charbon - Google Patents

Extraction du charbon

Info

Publication number
FR1070123A
FR1070123A FR1070123DA FR1070123A FR 1070123 A FR1070123 A FR 1070123A FR 1070123D A FR1070123D A FR 1070123DA FR 1070123 A FR1070123 A FR 1070123A
Authority
FR
France
Prior art keywords
coal mining
mining
coal
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
English (en)
Inventor
Thomas Moynihan
Thomas Chamley Moynihan
Denys Moynihan
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 FR1070123A publication Critical patent/FR1070123A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR1070123D 1953-01-27 1953-01-27 Extraction du charbon Expired FR1070123A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1070123T 1953-01-27

Publications (1)

Publication Number Publication Date
FR1070123A true FR1070123A (fr) 1954-07-19

Family

ID=9604559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1070123D Expired FR1070123A (fr) 1953-01-27 1953-01-27 Extraction du charbon

Country Status (1)

Country Link
FR (1) FR1070123A (fr)

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