DE3301U - - Google Patents

Info

Publication number
DE3301U
DE3301U DENDAT3301D DE3301DU DE3301U DE 3301 U DE3301 U DE 3301U DE NDAT3301 D DENDAT3301 D DE NDAT3301D DE 3301D U DE3301D U DE 3301DU DE 3301 U DE3301 U DE 3301U
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Active
Application number
DENDAT3301D
Other versions
DE3301C (de
Publication of DE3301U publication Critical patent/DE3301U/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
DENDAT3301D Active DE3301U (de)

Publications (1)

Publication Number Publication Date
DE3301U true DE3301U (de)

Family

ID=282343

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT3301D Active DE3301U (de)

Country Status (1)

Country Link
DE (1) DE3301U (de)

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Publication Publication Date Title
DE3301U (de)