FR741562A - - Google Patents

Info

Publication number
FR741562A
FR741562A FR741562DA FR741562A FR 741562 A FR741562 A FR 741562A FR 741562D A FR741562D A FR 741562DA FR 741562 A FR741562 A FR 741562A
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 FR741562A publication Critical patent/FR741562A/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
    • E21F13/02—Transport of mined mineral in galleries

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)
FR741562D Expired FR741562A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR741562A true FR741562A (cg-RX-API-DMAC7.html) 1933-02-14

Family

ID=1546082

Family Applications (1)

Application Number Title Priority Date Filing Date
FR741562D Expired FR741562A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR741562A (cg-RX-API-DMAC7.html)

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