BE430412A - - Google Patents

Info

Publication number
BE430412A
BE430412A BE430412DA BE430412A BE 430412 A BE430412 A BE 430412A BE 430412D A BE430412D A BE 430412DA BE 430412 A BE430412 A BE 430412A
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 BE430412A publication Critical patent/BE430412A/xx

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
    • E21C25/22Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/50Machines slitting solely by one or more cutter chains moving unidirectionally along jibs with equipment for cleaning the slit

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)
BE430412D 1938-06-28 BE430412A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB843909X 1938-06-28

Publications (1)

Publication Number Publication Date
BE430412A true BE430412A (pt)

Family

ID=10571894

Family Applications (1)

Application Number Title Priority Date Filing Date
BE430412D BE430412A (pt) 1938-06-28

Country Status (2)

Country Link
BE (1) BE430412A (pt)
FR (1) FR843909A (pt)

Also Published As

Publication number Publication date
FR843909A (fr) 1939-07-12

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