CA276737A - Haut-parleur telephonique - Google Patents
Haut-parleur telephoniqueInfo
- Publication number
- CA276737A CA276737A CA276737A CA276737DA CA276737A CA 276737 A CA276737 A CA 276737A CA 276737 A CA276737 A CA 276737A CA 276737D A CA276737D A CA 276737DA CA 276737 A CA276737 A CA 276737A
- Authority
- CA
- Canada
- Prior art keywords
- loud speaker
- telephone
- telephone loud
- speaker
- loud
- 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 |
|---|---|---|---|
| CA276737T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA276737A true CA276737A (fr) | 1928-01-03 |
Family
ID=35209828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA276737A Expired CA276737A (fr) | Haut-parleur telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA276737A (fr) |
-
0
- CA CA276737A patent/CA276737A/fr not_active Expired
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