ES72360A1 - Improvements in telephone transmitters. - Google Patents
Improvements in telephone transmitters.Info
- Publication number
- ES72360A1 ES72360A1 ES72360A ES72360A ES72360A1 ES 72360 A1 ES72360 A1 ES 72360A1 ES 72360 A ES72360 A ES 72360A ES 72360 A ES72360 A ES 72360A ES 72360 A1 ES72360 A1 ES 72360A1
- Authority
- ES
- Spain
- Prior art keywords
- telephone transmitters
- transmitters
- telephone
- 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 |
---|---|---|---|
ES72360A ES72360A1 (en) | 1920-01-22 | 1920-01-22 | Improvements in telephone transmitters. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES72360A ES72360A1 (en) | 1920-01-22 | 1920-01-22 | Improvements in telephone transmitters. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES72360A1 true ES72360A1 (en) | 1920-04-09 |
Family
ID=64242342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES72360A Expired ES72360A1 (en) | 1920-01-22 | 1920-01-22 | Improvements in telephone transmitters. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES72360A1 (en) |
-
1920
- 1920-01-22 ES ES72360A patent/ES72360A1/en not_active Expired
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