BE377888A - - Google Patents

Info

Publication number
BE377888A
BE377888A BE377888DA BE377888A BE 377888 A BE377888 A BE 377888A BE 377888D A BE377888D A BE 377888DA BE 377888 A BE377888 A BE 377888A
Authority
BE
Belgium
Prior art keywords
sleeve
socket
bands
parts
mines
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE377888A publication Critical patent/BE377888A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/52Extensible units located above or below standard props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Clamps And Clips (AREA)
BE377888D BE377888A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE377888A true BE377888A (enrdf_load_stackoverflow)

Family

ID=48078

Family Applications (1)

Application Number Title Priority Date Filing Date
BE377888D BE377888A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE377888A (enrdf_load_stackoverflow)

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