CA307501A - Dispositif de signalisation de systeme telephonique - Google Patents
Dispositif de signalisation de systeme telephoniqueInfo
- Publication number
- CA307501A CA307501A CA307501A CA307501DA CA307501A CA 307501 A CA307501 A CA 307501A CA 307501 A CA307501 A CA 307501A CA 307501D A CA307501D A CA 307501DA CA 307501 A CA307501 A CA 307501A
- Authority
- CA
- Canada
- Prior art keywords
- telephone systems
- signaling means
- signaling
- telephone
- systems
- 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 |
|---|---|---|---|
| CA307501T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA307501A true CA307501A (fr) | 1931-01-06 |
Family
ID=35260653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA307501A Expired CA307501A (fr) | Dispositif de signalisation de systeme telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA307501A (fr) |
-
0
- CA CA307501A patent/CA307501A/fr not_active Expired
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