CA141568A - Signal de ligne telephonique - Google Patents
Signal de ligne telephoniqueInfo
- Publication number
- CA141568A CA141568A CA000141568A CA141568DA CA141568A CA 141568 A CA141568 A CA 141568A CA 000141568 A CA000141568 A CA 000141568A CA 141568D A CA141568D A CA 141568DA CA 141568 A CA141568 A CA 141568A
- Authority
- CA
- Canada
- Prior art keywords
- telephone line
- line signal
- signal
- telephone
- line
- 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 |
|---|---|---|---|
| CA141568T | 1912-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA141568A true CA141568A (fr) | 1912-07-09 |
Family
ID=45261283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000141568A Expired CA141568A (fr) | 1912-02-22 | 1912-02-22 | Signal de ligne telephonique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA141568A (fr) |
-
1912
- 1912-02-22 CA CA000141568A patent/CA141568A/fr not_active Expired
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