DE292904C - - Google Patents

Info

Publication number
DE292904C
DE292904C DENDAT292904D DE292904DA DE292904C DE 292904 C DE292904 C DE 292904C DE NDAT292904 D DENDAT292904 D DE NDAT292904D DE 292904D A DE292904D A DE 292904DA DE 292904 C DE292904 C DE 292904C
Authority
DE
Germany
Prior art keywords
solution
mining
switched
driven
sealing water
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.)
Active
Application number
DENDAT292904D
Other languages
German (de)
English (en)
Publication of DE292904C publication Critical patent/DE292904C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/10—Preparation of the ground
    • E21D1/16—Preparation of the ground by petrification

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Package Closures (AREA)
DENDAT292904D Active DE292904C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE292904C true DE292904C (enrdf_load_html_response)

Family

ID=547623

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT292904D Active DE292904C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE292904C (enrdf_load_html_response)

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