ES24674A1 - Microphone improvements combined with electrical devices. - Google Patents
Microphone improvements combined with electrical devices.Info
- Publication number
- ES24674A1 ES24674A1 ES24674A ES24674A ES24674A1 ES 24674 A1 ES24674 A1 ES 24674A1 ES 24674 A ES24674 A ES 24674A ES 24674 A ES24674 A ES 24674A ES 24674 A1 ES24674 A1 ES 24674A1
- Authority
- ES
- Spain
- Prior art keywords
- microphone
- electrical devices
- improvements combined
- combined
- electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES24674A ES24674A1 (en) | 1899-08-28 | 1899-08-28 | Microphone improvements combined with electrical devices. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES24674A ES24674A1 (en) | 1899-08-28 | 1899-08-28 | Microphone improvements combined with electrical devices. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES24674A1 true ES24674A1 (en) | 1899-09-16 |
Family
ID=64169669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES24674A Expired ES24674A1 (en) | 1899-08-28 | 1899-08-28 | Microphone improvements combined with electrical devices. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES24674A1 (en) |
-
1899
- 1899-08-28 ES ES24674A patent/ES24674A1/en not_active Expired
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