FR694536A - Mouthpieces for ventilation devices - Google Patents
Mouthpieces for ventilation devicesInfo
- Publication number
- FR694536A FR694536A FR694536DA FR694536A FR 694536 A FR694536 A FR 694536A FR 694536D A FR694536D A FR 694536DA FR 694536 A FR694536 A FR 694536A
- Authority
- FR
- France
- Prior art keywords
- mouthpieces
- ventilation devices
- ventilation
- devices
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERALĀ ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
- F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL694536X | 1929-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR694536A true FR694536A (en) | 1930-12-04 |
Family
ID=19808831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR694536D Expired FR694536A (en) | 1929-04-30 | 1930-04-25 | Mouthpieces for ventilation devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR694536A (en) |
-
1930
- 1930-04-25 FR FR694536D patent/FR694536A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR698003A (en) | Loudspeaker enhancements | |
FR695243A (en) | Loudspeaker enhancements | |
FR655798A (en) | Improvements to screens for ventilating devices | |
FR694536A (en) | Mouthpieces for ventilation devices | |
FR699986A (en) | Falconer devices | |
FR37342E (en) | Signaling devices | |
FR674950A (en) | Signaling devices | |
FR691765A (en) | Magneto-motor for loudspeaker | |
FR696762A (en) | Improvements to electro-acoustic devices | |
FR668890A (en) | ear gin | |
FR690418A (en) | Improvements to telegraph devices | |
FR603540A (en) | Construction framework for flying devices | |
FR686958A (en) | Speakerphone | |
FR686827A (en) | Funnel enhancements | |
FR37691E (en) | Signaling devices | |
FR37000E (en) | Signaling devices | |
FR691161A (en) | Improvements to so-called devices | |
FR670785A (en) | Diffuser for radiotelephone receivers | |
FR691982A (en) | Porous agent for ventilation devices | |
FR704269A (en) | Di s ??? ion for pneumatic devices | |
FR707796A (en) | Diffuser for radiotelephone devices | |
CA294218A (en) | Device for making skate-blades | |
FR703714A (en) | Vibrating membrane for phonic devices | |
FR707282A (en) | Improvements to projection devices for sound cinematography | |
FR676231A (en) | Improvements to reproduction devices |