ES159724A3 - A POLARIZED DIRECT CURRENT ELEVATOR FOR SIGNALS - Google Patents
A POLARIZED DIRECT CURRENT ELEVATOR FOR SIGNALSInfo
- Publication number
- ES159724A3 ES159724A3 ES159724A ES159724A ES159724A3 ES 159724 A3 ES159724 A3 ES 159724A3 ES 159724 A ES159724 A ES 159724A ES 159724 A ES159724 A ES 159724A ES 159724 A3 ES159724 A3 ES 159724A3
- Authority
- ES
- Spain
- Prior art keywords
- signals
- direct current
- current elevator
- polarized direct
- polarized
- 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 |
---|---|---|---|
ES159724A ES159724A3 (en) | 1942-12-18 | 1942-12-18 | A POLARIZED DIRECT CURRENT ELEVATOR FOR SIGNALS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES159724A ES159724A3 (en) | 1942-12-18 | 1942-12-18 | A POLARIZED DIRECT CURRENT ELEVATOR FOR SIGNALS |
Publications (1)
Publication Number | Publication Date |
---|---|
ES159724A3 true ES159724A3 (en) | 1943-06-01 |
Family
ID=69420853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES159724A Expired ES159724A3 (en) | 1942-12-18 | 1942-12-18 | A POLARIZED DIRECT CURRENT ELEVATOR FOR SIGNALS |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES159724A3 (en) |
-
1942
- 1942-12-18 ES ES159724A patent/ES159724A3/en not_active Expired
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