CH42803A - Neuerung an Mikrophonen - Google Patents
Neuerung an MikrophonenInfo
- Publication number
- CH42803A CH42803A CH42803A CH42803DA CH42803A CH 42803 A CH42803 A CH 42803A CH 42803 A CH42803 A CH 42803A CH 42803D A CH42803D A CH 42803DA CH 42803 A CH42803 A CH 42803A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphones
- innovation
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH42803T | 1908-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH42803A true CH42803A (de) | 1909-03-01 |
Family
ID=4273154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH42803A CH42803A (de) | 1908-03-24 | 1908-03-24 | Neuerung an Mikrophonen |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH42803A (de) |
-
1908
- 1908-03-24 CH CH42803A patent/CH42803A/de unknown
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