FR741786A - - Google Patents

Info

Publication number
FR741786A
FR741786A FR741786DA FR741786A FR 741786 A FR741786 A FR 741786A FR 741786D A FR741786D A FR 741786DA FR 741786 A FR741786 A FR 741786A
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
Publication date
Application granted granted Critical
Publication of FR741786A publication Critical patent/FR741786A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/02Lining predominantly with wood

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR741786D Expired FR741786A (fr)

Publications (1)

Publication Number Publication Date
FR741786A true FR741786A (fr) 1933-02-18

Family

ID=1546277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR741786D Expired FR741786A (fr)

Country Status (1)

Country Link
FR (1) FR741786A (fr)

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