ES79300A1 - Sistema telefónico. - Google Patents
Sistema telefónico.Info
- Publication number
- ES79300A1 ES79300A1 ES79300A ES79300A ES79300A1 ES 79300 A1 ES79300 A1 ES 79300A1 ES 79300 A ES79300 A ES 79300A ES 79300 A ES79300 A ES 79300A ES 79300 A1 ES79300 A1 ES 79300A1
- Authority
- ES
- Spain
- Prior art keywords
- telephone system
- 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 |
---|---|---|---|
ES79300A ES79300A1 (es) | 1921-09-01 | 1921-09-01 | Sistema telefónico. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES79300A ES79300A1 (es) | 1921-09-01 | 1921-09-01 | Sistema telefónico. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES79300A1 true ES79300A1 (es) | 1921-12-01 |
Family
ID=64249812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES79300A Expired ES79300A1 (es) | 1921-09-01 | 1921-09-01 | Sistema telefónico. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES79300A1 (es) |
-
1921
- 1921-09-01 ES ES79300A patent/ES79300A1/es not_active Expired
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