ES73279A1 - Improvements in automatic telephony. - Google Patents
Improvements in automatic telephony.Info
- Publication number
- ES73279A1 ES73279A1 ES73279A ES73279A ES73279A1 ES 73279 A1 ES73279 A1 ES 73279A1 ES 73279 A ES73279 A ES 73279A ES 73279 A ES73279 A ES 73279A ES 73279 A1 ES73279 A1 ES 73279A1
- Authority
- ES
- Spain
- Prior art keywords
- automatic telephony
- telephony
- automatic
- 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 |
---|---|---|---|
ES73279A ES73279A1 (en) | 1920-03-31 | 1920-03-31 | Improvements in automatic telephony. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES73279A ES73279A1 (en) | 1920-03-31 | 1920-03-31 | Improvements in automatic telephony. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES73279A1 true ES73279A1 (en) | 1920-06-28 |
Family
ID=64242753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES73279A Expired ES73279A1 (en) | 1920-03-31 | 1920-03-31 | Improvements in automatic telephony. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES73279A1 (en) |
-
1920
- 1920-03-31 ES ES73279A patent/ES73279A1/en not_active Expired
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