CA227471A - Systeme telephonique - Google Patents
Systeme telephoniqueInfo
- Publication number
- CA227471A CA227471A CA227471A CA227471DA CA227471A CA 227471 A CA227471 A CA 227471A CA 227471 A CA227471 A CA 227471A CA 227471D A CA227471D A CA 227471DA CA 227471 A CA227471 A CA 227471A
- Authority
- CA
- Canada
- Prior art keywords
- telephone system
- 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 |
|---|---|---|---|
| CA227471T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA227471A true CA227471A (fr) | 1922-12-26 |
Family
ID=35123074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA227471A Expired CA227471A (fr) | Systeme telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA227471A (fr) |
-
0
- CA CA227471A patent/CA227471A/fr not_active Expired
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