FR572449A - - Google Patents
Info
- Publication number
- FR572449A FR572449A FR572449DA FR572449A FR 572449 A FR572449 A FR 572449A FR 572449D A FR572449D A FR 572449DA FR 572449 A FR572449 A FR 572449A
- 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
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
- F22B21/18—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving two or more upper drums and a single lower drum
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR572449A true FR572449A (de) | 1924-06-05 |
Family
ID=1539269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR572449D Expired FR572449A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR572449A (de) |
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0
- FR FR572449D patent/FR572449A/fr not_active Expired