CH38646A - Microphone perfectionné - Google Patents
Microphone perfectionnéInfo
- Publication number
- CH38646A CH38646A CH38646A CH38646DA CH38646A CH 38646 A CH38646 A CH 38646A CH 38646 A CH38646 A CH 38646A CH 38646D A CH38646D A CH 38646DA CH 38646 A CH38646 A CH 38646A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- advanced
- advanced microphone
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH38646T | 1906-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH38646A true CH38646A (fr) | 1907-11-30 |
Family
ID=4265107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH38646A CH38646A (fr) | 1906-08-17 | 1906-08-17 | Microphone perfectionné |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH38646A (fr) |
-
1906
- 1906-08-17 CH CH38646A patent/CH38646A/fr unknown
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