CA189061A - Telephone transmission system - Google Patents
Telephone transmission systemInfo
- Publication number
- CA189061A CA189061A CA000189061A CA189061DA CA189061A CA 189061 A CA189061 A CA 189061A CA 000189061 A CA000189061 A CA 000189061A CA 189061D A CA189061D A CA 189061DA CA 189061 A CA189061 A CA 189061A
- Authority
- CA
- Canada
- Prior art keywords
- transmission system
- telephone transmission
- telephone
- transmission
- 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 |
---|---|---|---|
CA189061T | 1918-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA189061A true CA189061A (en) | 1919-03-11 |
Family
ID=45308712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000189061A Expired CA189061A (en) | 1918-02-05 | 1918-02-05 | Telephone transmission system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA189061A (en) |
-
1918
- 1918-02-05 CA CA000189061A patent/CA189061A/en not_active Expired
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