FR991551A - - Google Patents

Info

Publication number
FR991551A
FR991551A FR991551DA FR991551A FR 991551 A FR991551 A FR 991551A FR 991551D A FR991551D A FR 991551DA FR 991551 A FR991551 A FR 991551A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
Publication date
Application granted granted Critical
Publication of FR991551A publication Critical patent/FR991551A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors shifting devices

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)
FR991551D Expired FR991551A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR991551A true FR991551A (cg-RX-API-DMAC7.html) 1951-10-19

Family

ID=1566936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991551D Expired FR991551A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR991551A (cg-RX-API-DMAC7.html)

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