FR1294800A - Dispositif d'aération de galeries - Google Patents

Dispositif d'aération de galeries

Info

Publication number
FR1294800A
FR1294800A FR858933A FR858933A FR1294800A FR 1294800 A FR1294800 A FR 1294800A FR 858933 A FR858933 A FR 858933A FR 858933 A FR858933 A FR 858933A FR 1294800 A FR1294800 A FR 1294800A
Authority
FR
France
Prior art keywords
ventilation system
tunnel ventilation
tunnel
ventilation
Prior art date
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
FR858933A
Other languages
English (en)
Inventor
Raymond Albert Marcel Singer
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.)
Filing date
Publication date
Application filed filed Critical
Priority to FR858933A priority Critical patent/FR1294800A/fr
Application granted granted Critical
Publication of FR1294800A publication Critical patent/FR1294800A/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
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/04—Air ducts

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)
FR858933A 1961-04-17 1961-04-17 Dispositif d'aération de galeries Expired FR1294800A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR858933A FR1294800A (fr) 1961-04-17 1961-04-17 Dispositif d'aération de galeries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858933A FR1294800A (fr) 1961-04-17 1961-04-17 Dispositif d'aération de galeries

Publications (1)

Publication Number Publication Date
FR1294800A true FR1294800A (fr) 1962-06-01

Family

ID=8753188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858933A Expired FR1294800A (fr) 1961-04-17 1961-04-17 Dispositif d'aération de galeries

Country Status (1)

Country Link
FR (1) FR1294800A (fr)

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