ES149511A1 - TELEPHONE GROUP CIRCUITS - Google Patents
TELEPHONE GROUP CIRCUITSInfo
- Publication number
- ES149511A1 ES149511A1 ES149511A ES149511A ES149511A1 ES 149511 A1 ES149511 A1 ES 149511A1 ES 149511 A ES149511 A ES 149511A ES 149511 A ES149511 A ES 149511A ES 149511 A1 ES149511 A1 ES 149511A1
- Authority
- ES
- Spain
- Prior art keywords
- group circuits
- telephone group
- telephone
- circuits
- group
- 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 |
---|---|---|---|
ES149511A ES149511A1 (en) | 1940-05-17 | 1940-05-17 | TELEPHONE GROUP CIRCUITS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES149511A ES149511A1 (en) | 1940-05-17 | 1940-05-17 | TELEPHONE GROUP CIRCUITS |
Publications (1)
Publication Number | Publication Date |
---|---|
ES149511A1 true ES149511A1 (en) | 1942-06-01 |
Family
ID=65640469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES149511A Expired ES149511A1 (en) | 1940-05-17 | 1940-05-17 | TELEPHONE GROUP CIRCUITS |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES149511A1 (en) |
-
1940
- 1940-05-17 ES ES149511A patent/ES149511A1/en not_active Expired
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