CA169170A - Systeme de signaux telephoniques - Google Patents
Systeme de signaux telephoniquesInfo
- Publication number
- CA169170A CA169170A CA000169170A CA169170DA CA169170A CA 169170 A CA169170 A CA 169170A CA 000169170 A CA000169170 A CA 000169170A CA 169170D A CA169170D A CA 169170DA CA 169170 A CA169170 A CA 169170A
- Authority
- CA
- Canada
- Prior art keywords
- signal system
- telephone signal
- telephone
- signal
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA169170T | 1915-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA169170A true CA169170A (fr) | 1916-05-02 |
Family
ID=45288834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000169170A Expired CA169170A (fr) | 1915-04-03 | 1915-04-03 | Systeme de signaux telephoniques |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA169170A (fr) |
-
1915
- 1915-04-03 CA CA000169170A patent/CA169170A/fr not_active Expired
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