CH54931A - Mikrophon - Google Patents
MikrophonInfo
- Publication number
- CH54931A CH54931A CH54931A CH54931DA CH54931A CH 54931 A CH54931 A CH 54931A CH 54931 A CH54931 A CH 54931A CH 54931D A CH54931D A CH 54931DA CH 54931 A CH54931 A CH 54931A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH54931T | 1911-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH54931A true CH54931A (de) | 1912-07-16 |
Family
ID=4294499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH54931A CH54931A (de) | 1911-02-01 | 1911-02-01 | Mikrophon |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH54931A (de) |
-
1911
- 1911-02-01 CH CH54931A patent/CH54931A/de unknown
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