CH54762A - microphone - Google Patents
microphoneInfo
- Publication number
- CH54762A CH54762A CH54762A CH54762DA CH54762A CH 54762 A CH54762 A CH 54762A CH 54762 A CH54762 A CH 54762A CH 54762D A CH54762D A CH 54762DA CH 54762 A CH54762 A CH 54762A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH54762T | 1910-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH54762A true CH54762A (en) | 1912-06-17 |
Family
ID=4294228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH54762A CH54762A (en) | 1910-12-24 | 1910-12-24 | microphone |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH54762A (en) |
-
1910
- 1910-12-24 CH CH54762A patent/CH54762A/en unknown
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