CA159567A - Signal telephonique - Google Patents
Signal telephoniqueInfo
- Publication number
- CA159567A CA159567A CA000159567A CA159567DA CA159567A CA 159567 A CA159567 A CA 159567A CA 000159567 A CA000159567 A CA 000159567A CA 159567D A CA159567D A CA 159567DA CA 159567 A CA159567 A CA 159567A
- Authority
- CA
- Canada
- Prior art keywords
- telephone signal
- telephone
- signal
- 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 |
---|---|---|---|
CA159567T | 1914-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA159567A true CA159567A (fr) | 1914-12-15 |
Family
ID=45279271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000159567A Expired CA159567A (fr) | 1914-04-17 | 1914-04-17 | Signal telephonique |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA159567A (fr) |
-
1914
- 1914-04-17 CA CA000159567A patent/CA159567A/fr not_active Expired
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