CH33518A - Microphone - Google Patents
MicrophoneInfo
- Publication number
- CH33518A CH33518A CH33518A CH33518DA CH33518A CH 33518 A CH33518 A CH 33518A CH 33518 A CH33518 A CH 33518A CH 33518D A CH33518D A CH 33518DA CH 33518 A CH33518 A CH 33518A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH33518T | 1905-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH33518A true CH33518A (fr) | 1905-12-15 |
Family
ID=4254093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH33518A CH33518A (fr) | 1905-03-01 | 1905-03-01 | Microphone |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH33518A (fr) |
-
1905
- 1905-03-01 CH CH33518A patent/CH33518A/fr unknown
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