FR973966A - Nouveau conduit de ventilation - Google Patents
Nouveau conduit de ventilationInfo
- 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
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)
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) |
-
1948
- 1948-09-06 FR FR973966D patent/FR973966A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1010621A (fr) | Soutien-gorge | |
FR973966A (fr) | Nouveau conduit de ventilation | |
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 | |
FR976195A (fr) | Ventilateur | |
FR978336A (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 |