ES4940H1 - Conductos telegraficos subterraneos del sistema a. holtzman - Google Patents
Conductos telegraficos subterraneos del sistema a. holtzmanInfo
- Publication number
- ES4940H1 ES4940H1 ES1872004940A ES1872004940A ES4940H1 ES 4940 H1 ES4940 H1 ES 4940H1 ES 1872004940 A ES1872004940 A ES 1872004940A ES 1872004940 A ES1872004940 A ES 1872004940A ES 4940 H1 ES4940 H1 ES 4940H1
- Authority
- ES
- Spain
- Prior art keywords
- holtzman
- ducts
- telegraph
- underground
- underground telegraph
- 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 |
|---|---|---|---|
| ES1872004940A ES4940H1 (es) | 1872-04-19 | 1872-04-19 | Conductos telegraficos subterraneos del sistema a. holtzman |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES1872004940A ES4940H1 (es) | 1872-04-19 | 1872-04-19 | Conductos telegraficos subterraneos del sistema a. holtzman |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES4940H1 true ES4940H1 (es) | 1872-07-19 |
Family
ID=39850136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES1872004940A Expired ES4940H1 (es) | 1872-04-19 | 1872-04-19 | Conductos telegraficos subterraneos del sistema a. holtzman |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES4940H1 (es) |
-
1872
- 1872-04-19 ES ES1872004940A patent/ES4940H1/es not_active Expired
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