AT75551B - Fernsprechschaltung. - Google Patents
Fernsprechschaltung.Info
- Publication number
- AT75551B AT75551B AT75551DA AT75551B AT 75551 B AT75551 B AT 75551B AT 75551D A AT75551D A AT 75551DA AT 75551 B AT75551 B AT 75551B
- Authority
- AT
- Austria
- Prior art keywords
- telephone circuit
- telephone
- circuit
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT75551T | 1913-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT75551B true AT75551B (de) | 1919-02-25 |
Family
ID=3597220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT75551D AT75551B (de) | 1913-05-07 | 1913-05-07 | Fernsprechschaltung. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT75551B (de) |
-
1913
- 1913-05-07 AT AT75551D patent/AT75551B/de active
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