CH37679A - Microphone without horn on the microphone - Google Patents
Microphone without horn on the microphoneInfo
- Publication number
- CH37679A CH37679A CH37679A CH37679DA CH37679A CH 37679 A CH37679 A CH 37679A CH 37679 A CH37679 A CH 37679A CH 37679D A CH37679D A CH 37679DA CH 37679 A CH37679 A CH 37679A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- horn
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH37679T | 1906-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH37679A true CH37679A (en) | 1907-07-15 |
Family
ID=4263054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH37679A CH37679A (en) | 1906-08-18 | 1906-08-18 | Microphone without horn on the microphone |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH37679A (en) |
-
1906
- 1906-08-18 CH CH37679A patent/CH37679A/en unknown
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