CA28998A - Systeme de telephone electrique - Google Patents
Systeme de telephone electriqueInfo
- Publication number
- CA28998A CA28998A CA000028998A CA28998DA CA28998A CA 28998 A CA28998 A CA 28998A CA 000028998 A CA000028998 A CA 000028998A CA 28998D A CA28998D A CA 28998DA CA 28998 A CA28998 A CA 28998A
- Authority
- CA
- Canada
- Prior art keywords
- call system
- district electric
- electric call
- district
- electric
- 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 |
|---|---|---|---|
| CA28998T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA28998A true CA28998A (fr) | 1888-04-24 |
Family
ID=45145539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000028998A Expired CA28998A (fr) | Systeme de telephone electrique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA28998A (fr) |
-
0
- CA CA000028998A patent/CA28998A/fr not_active Expired
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