FR1065529A - Coal mining and development process - Google Patents

Coal mining and development process

Info

Publication number
FR1065529A
FR1065529A FR1065529DA FR1065529A FR 1065529 A FR1065529 A FR 1065529A FR 1065529D A FR1065529D A FR 1065529DA FR 1065529 A FR1065529 A FR 1065529A
Authority
FR
France
Prior art keywords
development process
coal mining
mining
coal
development
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)
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.)
KOHLENBERGBAU LEITUNG DEUTSCHE
Original Assignee
KOHLENBERGBAU LEITUNG DEUTSCHE
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 KOHLENBERGBAU LEITUNG DEUTSCHE filed Critical KOHLENBERGBAU LEITUNG DEUTSCHE
Application granted granted Critical
Publication of FR1065529A publication Critical patent/FR1065529A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C45/00—Methods of hydraulic mining; Hydraulic monitors
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
FR1065529D 1951-07-11 1952-07-08 Coal mining and development process Expired FR1065529A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1065529X 1951-07-11

Publications (1)

Publication Number Publication Date
FR1065529A true FR1065529A (en) 1954-05-26

Family

ID=7719054

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1065529D Expired FR1065529A (en) 1951-07-11 1952-07-08 Coal mining and development process

Country Status (1)

Country Link
FR (1) FR1065529A (en)

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