CH74820A - Ventilation chimney - Google Patents
Ventilation chimneyInfo
- Publication number
- CH74820A CH74820A CH74820A CH74820DA CH74820A CH 74820 A CH74820 A CH 74820A CH 74820 A CH74820 A CH 74820A CH 74820D A CH74820D A CH 74820DA CH 74820 A CH74820 A CH 74820A
- Authority
- CH
- Switzerland
- Prior art keywords
- ventilation chimney
- chimney
- ventilation
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH74820T | 1916-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH74820A true CH74820A (en) | 1917-04-16 |
Family
ID=4325798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH74820A CH74820A (en) | 1916-12-19 | 1916-12-19 | Ventilation chimney |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH74820A (en) |
-
1916
- 1916-12-19 CH CH74820A patent/CH74820A/en unknown
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