CA238578A - Appareil de signalisation de systeme telephonique - Google Patents
Appareil de signalisation de systeme telephoniqueInfo
- Publication number
- CA238578A CA238578A CA238578A CA238578DA CA238578A CA 238578 A CA238578 A CA 238578A CA 238578 A CA238578 A CA 238578A CA 238578D A CA238578D A CA 238578DA CA 238578 A CA238578 A CA 238578A
- Authority
- CA
- Canada
- Prior art keywords
- telephone systems
- signalling apparatus
- signalling
- 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
- 230000011664 signaling Effects 0.000 title 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA238578T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA238578A true CA238578A (fr) | 1924-03-11 |
Family
ID=35142609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA238578A Expired CA238578A (fr) | Appareil de signalisation de systeme telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA238578A (fr) |
-
0
- CA CA238578A patent/CA238578A/fr not_active Expired
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