BE620270A - - Google Patents

Info

Publication number
BE620270A
BE620270A BE620270DA BE620270A BE 620270 A BE620270 A BE 620270A BE 620270D A BE620270D A BE 620270DA BE 620270 A BE620270 A BE 620270A
Authority
BE
Belgium
Prior art keywords
armored
cylinder
gallery
work
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE620270A publication Critical patent/BE620270A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/12Devices for removing or hauling away excavated material or spoil; Working or loading platforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
BE620270D BE620270A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE620270A true BE620270A (enrdf_load_html_response)

Family

ID=193796

Family Applications (1)

Application Number Title Priority Date Filing Date
BE620270D BE620270A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE620270A (enrdf_load_html_response)

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