CA175732A - Telephone transmission system - Google Patents
Telephone transmission systemInfo
- Publication number
- CA175732A CA175732A CA000175732A CA175732DA CA175732A CA 175732 A CA175732 A CA 175732A CA 000175732 A CA000175732 A CA 000175732A CA 175732D A CA175732D A CA 175732DA CA 175732 A CA175732 A CA 175732A
- 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 |
---|---|---|---|
CA175732T | 1916-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA175732A true CA175732A (en) | 1917-03-13 |
Family
ID=45295385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000175732A Expired CA175732A (en) | 1916-03-23 | 1916-03-23 | Telephone transmission system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA175732A (en) |
-
1916
- 1916-03-23 CA CA000175732A patent/CA175732A/en not_active Expired
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