CA396070A - Systeme de signalisation telephonique - Google Patents
Systeme de signalisation telephoniqueInfo
- Publication number
- CA396070A CA396070A CA396070A CA396070DA CA396070A CA 396070 A CA396070 A CA 396070A CA 396070 A CA396070 A CA 396070A CA 396070D A CA396070D A CA 396070DA CA 396070 A CA396070 A CA 396070A
- 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 |
---|---|---|---|
CA396070T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA396070A true CA396070A (fr) | 1941-04-22 |
Family
ID=35403511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA396070A Expired CA396070A (fr) | Systeme de signalisation telephonique |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA396070A (fr) |
-
0
- CA CA396070A patent/CA396070A/fr not_active Expired
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