CA317907A - Systeme de central telephonique - Google Patents
Systeme de central telephoniqueInfo
- Publication number
- CA317907A CA317907A CA317907A CA317907DA CA317907A CA 317907 A CA317907 A CA 317907A CA 317907 A CA317907 A CA 317907A CA 317907D A CA317907D A CA 317907DA CA 317907 A CA317907 A CA 317907A
- Authority
- CA
- Canada
- Prior art keywords
- exchange system
- telephone exchange
- telephone
- exchange
- 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 |
|---|---|---|---|
| CA317907T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA317907A true CA317907A (fr) | 1931-12-08 |
Family
ID=35278463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA317907A Expired CA317907A (fr) | Systeme de central telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA317907A (fr) |
-
0
- CA CA317907A patent/CA317907A/fr not_active Expired
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