CA493484A - Telephone system - Google Patents
Telephone systemInfo
- Publication number
- CA493484A CA493484A CA493484A CA493484DA CA493484A CA 493484 A CA493484 A CA 493484A CA 493484 A CA493484 A CA 493484A CA 493484D A CA493484D A CA 493484DA CA 493484 A CA493484 A CA 493484A
- 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 |
---|---|---|---|
CA493484T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA493484A true CA493484A (en) | 1953-06-09 |
Family
ID=35638873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA493484A Expired CA493484A (en) | Telephone system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA493484A (en) |
-
0
- CA CA493484A patent/CA493484A/en not_active Expired
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