CH41788A - Sprechapparat - Google Patents
SprechapparatInfo
- Publication number
- CH41788A CH41788A CH41788A CH41788DA CH41788A CH 41788 A CH41788 A CH 41788A CH 41788 A CH41788 A CH 41788A CH 41788D A CH41788D A CH 41788DA CH 41788 A CH41788 A CH 41788A
- Authority
- CH
- Switzerland
- Prior art keywords
- intercom
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH41788T | 1907-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH41788A true CH41788A (de) | 1908-12-01 |
Family
ID=4271249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH41788A CH41788A (de) | 1907-09-25 | 1907-09-25 | Sprechapparat |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH41788A (de) |
-
1907
- 1907-09-25 CH CH41788A patent/CH41788A/de unknown
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