CA491419A - Appareil de telephone a haut parleur - Google Patents
Appareil de telephone a haut parleurInfo
- Publication number
- CA491419A CA491419A CA491419A CA491419DA CA491419A CA 491419 A CA491419 A CA 491419A CA 491419 A CA491419 A CA 491419A CA 491419D A CA491419D A CA 491419DA CA 491419 A CA491419 A CA 491419A
- Authority
- CA
- Canada
- Prior art keywords
- telephone set
- loud speaking
- speaking telephone
- loud
- 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 |
|---|---|---|---|
| CA491419T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA491419A true CA491419A (fr) | 1953-03-17 |
Family
ID=35631161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA491419A Expired CA491419A (fr) | Appareil de telephone a haut parleur |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA491419A (fr) |
-
0
- CA CA491419A patent/CA491419A/fr not_active Expired
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