DE293785C - - Google Patents

Info

Publication number
DE293785C
DE293785C DENDAT293785D DE293785DA DE293785C DE 293785 C DE293785 C DE 293785C DE NDAT293785 D DENDAT293785 D DE NDAT293785D DE 293785D A DE293785D A DE 293785DA DE 293785 C DE293785 C DE 293785C
Authority
DE
Germany
Prior art keywords
plastic
pulpy
mushy
backfill
impair
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
DENDAT293785D
Other languages
German (de)
English (en)
Publication of DE293785C publication Critical patent/DE293785C/de
Active 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
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/08—Filling-up hydraulically or pneumatically

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)
  • Processing Of Solid Wastes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
DENDAT293785D Active DE293785C (OSRAM)

Publications (1)

Publication Number Publication Date
DE293785C true DE293785C (OSRAM)

Family

ID=548419

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT293785D Active DE293785C (OSRAM)

Country Status (1)

Country Link
DE (1) DE293785C (OSRAM)

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