CH72565A - Microphone - Google Patents
MicrophoneInfo
- Publication number
- CH72565A CH72565A CH72565A CH72565DA CH72565A CH 72565 A CH72565 A CH 72565A CH 72565 A CH72565 A CH 72565A CH 72565D A CH72565D A CH 72565DA CH 72565 A CH72565 A CH 72565A
- Authority
- CH
- Switzerland
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH72565T | 1915-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH72565A true CH72565A (en) | 1916-10-16 |
Family
ID=4322283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH72565A CH72565A (en) | 1915-09-28 | 1915-09-28 | Microphone |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH72565A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE955872C (en) * | 1954-01-08 | 1957-01-10 | Franz Baumgartner Fabrik Elek | Microphone for telephones |
-
1915
- 1915-09-28 CH CH72565A patent/CH72565A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE955872C (en) * | 1954-01-08 | 1957-01-10 | Franz Baumgartner Fabrik Elek | Microphone for telephones |
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