BE492245A - - Google Patents

Info

Publication number
BE492245A
BE492245A BE492245DA BE492245A BE 492245 A BE492245 A BE 492245A BE 492245D A BE492245D A BE 492245DA BE 492245 A BE492245 A BE 492245A
Authority
BE
Belgium
Application number
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.)
Publication of BE492245A publication Critical patent/BE492245A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/26Methods of surface mining; Layouts therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00Transport specially adapted to underground conditions
    • E21F13/04Transport of mined material in gravity inclines; in staple or inclined shafts
    • E21F13/047Transport of mined material in gravity inclines; in staple or inclined shafts comprising helically running channels

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)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE492245D 1949-10-27 BE492245A (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG176A DE844733C (de) 1949-10-27 1949-10-27 Verfahren zum Zutagefoerdern des gewonnenen Gutes im Bergbau

Publications (1)

Publication Number Publication Date
BE492245A true BE492245A (ru)

Family

ID=7115681

Family Applications (1)

Application Number Title Priority Date Filing Date
BE492245D BE492245A (ru) 1949-10-27

Country Status (2)

Country Link
BE (1) BE492245A (ru)
DE (1) DE844733C (ru)

Also Published As

Publication number Publication date
DE844733C (de) 1952-07-24

Similar Documents

Publication Publication Date Title
USB134657I5 (ru)
SE148008C1 (ru)
BE483443A (ru)
NL71018C (ru)
BE488178A (ru)
BE488067A (ru)
BE488029A (ru)
BE488027A (ru)
BE487926A (ru)
BE487776A (ru)
BE487748A (ru)
BE487732A (ru)
BE487723A (ru)
BE488341A (ru)
BE487648A (ru)
BE492245A (ru)
BE487564A (ru)
BE487428A (ru)
NL89165C (ru)
NL74698C (ru)
BE487425A (ru)
NL74673C (ru)
BE487335A (ru)
NL74427C (ru)
NL73588C (ru)