CA25540A - Mechanical telephone system - Google Patents
Mechanical telephone systemInfo
- Publication number
- CA25540A CA25540A CA000025540A CA25540DA CA25540A CA 25540 A CA25540 A CA 25540A CA 000025540 A CA000025540 A CA 000025540A CA 25540D A CA25540D A CA 25540DA CA 25540 A CA25540 A CA 25540A
- Authority
- CA
- Canada
- Prior art keywords
- telephone system
- mechanical telephone
- mechanical
- 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 |
---|---|---|---|
CA25540T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA25540A true CA25540A (en) | 1886-12-11 |
Family
ID=45142083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000025540A Expired CA25540A (en) | Mechanical telephone system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA25540A (en) |
-
0
- CA CA000025540A patent/CA25540A/en not_active Expired
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