BE353544A - - Google Patents

Info

Publication number
BE353544A
BE353544A BE353544DA BE353544A BE 353544 A BE353544 A BE 353544A BE 353544D A BE353544D A BE 353544DA BE 353544 A BE353544 A BE 353544A
Authority
BE
Belgium
Prior art keywords
machine
arm
shaft
coal
chopping
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE353544A publication Critical patent/BE353544A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/66Machines for making slits with additional arrangements for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Crushing And Pulverization Processes (AREA)
BE353544D BE353544A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE353544A true BE353544A (enrdf_load_stackoverflow)

Family

ID=28117

Family Applications (1)

Application Number Title Priority Date Filing Date
BE353544D BE353544A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE353544A (enrdf_load_stackoverflow)

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