CA128440A - Telephone switch apparatus - Google Patents
Telephone switch apparatusInfo
- Publication number
- CA128440A CA128440A CA000128440A CA128440DA CA128440A CA 128440 A CA128440 A CA 128440A CA 000128440 A CA000128440 A CA 000128440A CA 128440D A CA128440D A CA 128440DA CA 128440 A CA128440 A CA 128440A
- Authority
- CA
- Canada
- Prior art keywords
- switch apparatus
- telephone switch
- telephone
- switch
- 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 |
---|---|---|---|
CA128440T | 1910-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA128440A true CA128440A (en) | 1910-10-04 |
Family
ID=45248161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000128440A Expired CA128440A (en) | 1910-08-08 | 1910-08-08 | Telephone switch apparatus |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA128440A (en) |
-
1910
- 1910-08-08 CA CA000128440A patent/CA128440A/en not_active Expired
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