BE546519A - - Google Patents

Info

Publication number
BE546519A
BE546519A BE546519DA BE546519A BE 546519 A BE546519 A BE 546519A BE 546519D A BE546519D A BE 546519DA BE 546519 A BE546519 A BE 546519A
Authority
BE
Belgium
Prior art keywords
desc
page number
clms page
clms
page
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE546519A publication Critical patent/BE546519A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/124—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with rotatable cutters provided with breaking-down members

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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
BE546519D BE546519A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE546519A true BE546519A (enrdf_load_html_response)

Family

ID=173803

Family Applications (1)

Application Number Title Priority Date Filing Date
BE546519D BE546519A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE546519A (enrdf_load_html_response)

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