CA224780A - Selective telephone system - Google Patents
Selective telephone systemInfo
- Publication number
- CA224780A CA224780A CA224780A CA224780DA CA224780A CA 224780 A CA224780 A CA 224780A CA 224780 A CA224780 A CA 224780A CA 224780D A CA224780D A CA 224780DA CA 224780 A CA224780 A CA 224780A
- Authority
- CA
- Canada
- Prior art keywords
- telephone system
- selective telephone
- selective
- 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 |
---|---|---|---|
CA224780T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA224780A true CA224780A (en) | 1922-10-17 |
Family
ID=35120383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA224780A Expired CA224780A (en) | Selective telephone system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA224780A (en) |
-
0
- CA CA224780A patent/CA224780A/en not_active Expired
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