CA236648A - Circuit principal de systeme telephonique - Google Patents
Circuit principal de systeme telephoniqueInfo
- Publication number
- CA236648A CA236648A CA236648A CA236648DA CA236648A CA 236648 A CA236648 A CA 236648A CA 236648 A CA236648 A CA 236648A CA 236648D A CA236648D A CA 236648DA CA 236648 A CA236648 A CA 236648A
- Authority
- CA
- Canada
- Prior art keywords
- telephone systems
- trunk circuit
- trunk
- circuit
- telephone
- 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 |
|---|---|---|---|
| CA236648T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA236648A true CA236648A (fr) | 1923-12-25 |
Family
ID=35134022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA236648A Expired CA236648A (fr) | Circuit principal de systeme telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA236648A (fr) |
-
0
- CA CA236648A patent/CA236648A/fr not_active Expired
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