CA496550A - Telephone switching system - Google Patents
Telephone switching systemInfo
- Publication number
- CA496550A CA496550A CA496550A CA496550DA CA496550A CA 496550 A CA496550 A CA 496550A CA 496550 A CA496550 A CA 496550A CA 496550D A CA496550D A CA 496550DA CA 496550 A CA496550 A CA 496550A
- Authority
- CA
- Canada
- Prior art keywords
- switching system
- telephone switching
- telephone
- switching
- 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 |
---|---|---|---|
CA496550T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA496550A true CA496550A (en) | 1953-09-29 |
Family
ID=35641975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA496550A Expired CA496550A (en) | Telephone switching system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA496550A (en) |
-
0
- CA CA496550A patent/CA496550A/en not_active Expired
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