CA403972A - Systeme de signalisation telephonique - Google Patents
Systeme de signalisation telephoniqueInfo
- Publication number
- CA403972A CA403972A CA403972A CA403972DA CA403972A CA 403972 A CA403972 A CA 403972A CA 403972 A CA403972 A CA 403972A CA 403972D A CA403972D A CA 403972DA CA 403972 A CA403972 A CA 403972A
- Authority
- CA
- Canada
- Prior art keywords
- signalling system
- telephone signalling
- telephone
- signalling
- 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 |
|---|---|---|---|
| CA403972T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA403972A true CA403972A (fr) | 1942-04-07 |
Family
ID=35414420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA403972A Expired CA403972A (fr) | Systeme de signalisation telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA403972A (fr) |
-
0
- CA CA403972A patent/CA403972A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2535511A (en) | Telephone system | |
| CA403972A (fr) | Systeme de signalisation telephonique | |
| CA403973A (fr) | Systeme telephonique | |
| CA403996A (fr) | Systeme telephonique | |
| CA403999A (fr) | Systeme telephonique | |
| CA405029A (fr) | Systeme telephonique | |
| CA405043A (fr) | Systeme telephonique | |
| CA405324A (fr) | Systeme telephonique | |
| CA405758A (fr) | Systeme telephonique | |
| CA405759A (fr) | Systeme telephonique | |
| CA405760A (fr) | Systeme telephonique | |
| CA406280A (fr) | Reseau telephonique | |
| CA406560A (fr) | Reseau telephonique | |
| CA406561A (fr) | Reseau telephonique | |
| CA409236A (fr) | Systeme telephonique | |
| CA409273A (fr) | Reseau telephonique | |
| CA409498A (fr) | Systeme telephonique | |
| CA409499A (fr) | Systeme telephonique | |
| CA409529A (fr) | Systeme telephonique | |
| AU116538B2 (en) | Signalling system | |
| AU117599B2 (en) | Signalling system | |
| CA404106A (fr) | Systeme de signalisation | |
| CA404399A (fr) | Systeme de signalisation | |
| CA404448A (fr) | Systeme de signalisation | |
| CA405933A (fr) | Systeme de signalisation |