FR1161992A - Duct for ventilation circuit or similar application - Google Patents

Duct for ventilation circuit or similar application

Info

Publication number
FR1161992A
FR1161992A FR1161992DA FR1161992A FR 1161992 A FR1161992 A FR 1161992A FR 1161992D A FR1161992D A FR 1161992DA FR 1161992 A FR1161992 A FR 1161992A
Authority
FR
France
Prior art keywords
duct
similar application
ventilation circuit
ventilation
circuit
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
Other languages
French (fr)
Inventor
Andre-Louis-Alphonse Courtinat
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
Application granted granted Critical
Publication of FR1161992A publication Critical patent/FR1161992A/en
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)
FR1161992D 1956-12-05 1956-12-05 Duct for ventilation circuit or similar application Expired FR1161992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1161992T 1956-12-05

Publications (1)

Publication Number Publication Date
FR1161992A true FR1161992A (en) 1958-09-08

Family

ID=9652691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1161992D Expired FR1161992A (en) 1956-12-05 1956-12-05 Duct for ventilation circuit or similar application

Country Status (1)

Country Link
FR (1) FR1161992A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261100B (en) * 1965-06-29 1968-02-15 Hoechst Ag Foldable cool flute
DE2733393A1 (en) * 1977-07-23 1979-02-08 Verseidag HOSE WITH FIXED MOUNTING TAPE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261100B (en) * 1965-06-29 1968-02-15 Hoechst Ag Foldable cool flute
DE2733393A1 (en) * 1977-07-23 1979-02-08 Verseidag HOSE WITH FIXED MOUNTING TAPE

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