FR973966A - Nouveau conduit de ventilation - Google Patents

Nouveau conduit de ventilation

Info

Publication number
FR973966A
FR973966A FR973966DA FR973966A FR 973966 A FR973966 A FR 973966A FR 973966D A FR973966D A FR 973966DA FR 973966 A FR973966 A FR 973966A
Authority
FR
France
Prior art keywords
ventilation duct
new ventilation
new
duct
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
Other languages
English (en)
Inventor
Claude-Bernard Evers
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 FR973966A publication Critical patent/FR973966A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/003—Rigid pipes with a rectangular cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR973966D 1948-09-06 1948-09-06 Nouveau conduit de ventilation Expired FR973966A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973966T 1948-09-06

Publications (1)

Publication Number Publication Date
FR973966A true FR973966A (fr) 1951-02-16

Family

ID=9517112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973966D Expired FR973966A (fr) 1948-09-06 1948-09-06 Nouveau conduit de ventilation

Country Status (1)

Country Link
FR (1) FR973966A (fr)

Similar Documents

Publication Publication Date Title
FR1010621A (fr) Soutien-gorge
FR1009973A (fr) Soutien-gorge
FR969129A (fr) Collecteur-trieur de poussières
FR991513A (fr) Lubrifiant perfectionné
FR975246A (fr) Perfectionnements aux roulements
FR969672A (fr) Soutien-gorge
FR1019035A (fr) Conduit acoustique
FR969449A (fr) Persienne
FR981388A (fr) Perfectionnement aux thermostats
FR1007254A (fr) Boîte de construction
FR1009691A (fr) Perfectionnement aux sous-vêtements
FR966371A (fr) Ventilateur-engrangeur
FR976856A (fr) Soutien-gorge
FR990728A (fr) Soutien-gorge
FR965969A (fr) Perfectionnement aux jouets
FR984702A (fr) Graisseur
FR980111A (fr) Boîte souffleuse
FR978336A (fr) Ventilateur
FR976195A (fr) Ventilateur
FR968439A (fr) Vêtement climatisé
FI24437A (fi) Jakorasiajärjestelmä
FR977267A (fr) Règle de proportion
FR968791A (fr) Perfectionnement aux chaudières
FR944760A (fr) Perfectionnements aux appareils de conditionnement d'air
FR966815A (fr) Perfectionnements aux étuis