CH54828A - Wandtafel - Google Patents
WandtafelInfo
- Publication number
- CH54828A CH54828A CH54828A CH54828DA CH54828A CH 54828 A CH54828 A CH 54828A CH 54828 A CH54828 A CH 54828A CH 54828D A CH54828D A CH 54828DA CH 54828 A CH54828 A CH 54828A
- Authority
- CH
- Switzerland
- Prior art keywords
- blackboard
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH54828T | 1911-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH54828A true CH54828A (de) | 1912-06-17 |
Family
ID=4294325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH54828A CH54828A (de) | 1911-12-18 | 1911-12-18 | Wandtafel |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH54828A (de) |
-
1911
- 1911-12-18 CH CH54828A patent/CH54828A/de unknown
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