CA493424A - Telephone system - Google Patents
Telephone systemInfo
- Publication number
- CA493424A CA493424A CA493424A CA493424DA CA493424A CA 493424 A CA493424 A CA 493424A CA 493424 A CA493424 A CA 493424A CA 493424D A CA493424D A CA 493424DA CA 493424 A CA493424 A CA 493424A
- Authority
- CA
- Canada
- Prior art keywords
- telephone system
- 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 |
---|---|---|---|
CA493424T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA493424A true CA493424A (en) | 1953-06-02 |
Family
ID=35638813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA493424A Expired CA493424A (en) | Telephone system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA493424A (en) |
-
0
- CA CA493424A patent/CA493424A/en not_active Expired
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