FR621660A - - Google Patents
Info
- Publication number
- FR621660A FR621660A FR621660DA FR621660A FR 621660 A FR621660 A FR 621660A FR 621660D A FR621660D A FR 621660DA FR 621660 A FR621660 A FR 621660A
- Authority
- FR
- France
- 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
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N3/00—Regulating air supply or draught
- F23N3/02—Regulating draught by direct pressure operation of single valves or dampers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR621660A true FR621660A (de) | 1927-05-16 |
Family
ID=1541191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR621660D Expired FR621660A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR621660A (de) |
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0
- FR FR621660D patent/FR621660A/fr not_active Expired