CA318920A - Systeme de tableau telephonique - Google Patents
Systeme de tableau telephoniqueInfo
- Publication number
- CA318920A CA318920A CA318920A CA318920DA CA318920A CA 318920 A CA318920 A CA 318920A CA 318920 A CA318920 A CA 318920A CA 318920D A CA318920D A CA 318920DA CA 318920 A CA318920 A CA 318920A
- Authority
- CA
- Canada
- Prior art keywords
- telephone switchboard
- switchboard system
- telephone
- switchboard
- 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 |
|---|---|---|---|
| CA318920T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA318920A true CA318920A (fr) | 1932-01-12 |
Family
ID=35279475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA318920A Expired CA318920A (fr) | Systeme de tableau telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA318920A (fr) |
-
0
- CA CA318920A patent/CA318920A/fr not_active Expired
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