ES70956A1 - Optical telegraphy apparatus. - Google Patents
Optical telegraphy apparatus.Info
- Publication number
- ES70956A1 ES70956A1 ES70956A ES70956A ES70956A1 ES 70956 A1 ES70956 A1 ES 70956A1 ES 70956 A ES70956 A ES 70956A ES 70956 A ES70956 A ES 70956A ES 70956 A1 ES70956 A1 ES 70956A1
- Authority
- ES
- Spain
- Prior art keywords
- optical
- telegraphy
- telegraphy apparatus
- optical telegraphy
- 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 |
---|---|---|---|
ES70956A ES70956A1 (en) | 1919-09-17 | 1919-09-17 | Optical telegraphy apparatus. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES70956A ES70956A1 (en) | 1919-09-17 | 1919-09-17 | Optical telegraphy apparatus. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES70956A1 true ES70956A1 (en) | 1919-11-01 |
Family
ID=64241459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES70956A Expired ES70956A1 (en) | 1919-09-17 | 1919-09-17 | Optical telegraphy apparatus. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES70956A1 (en) |
-
1919
- 1919-09-17 ES ES70956A patent/ES70956A1/en not_active Expired
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