CA493490A - Telephone or like systems - Google Patents
Telephone or like systemsInfo
- Publication number
- CA493490A CA493490A CA493490A CA493490DA CA493490A CA 493490 A CA493490 A CA 493490A CA 493490 A CA493490 A CA 493490A CA 493490D A CA493490D A CA 493490DA CA 493490 A CA493490 A CA 493490A
- Authority
- CA
- Canada
- Prior art keywords
- telephone
- systems
- 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 |
---|---|---|---|
CA493490T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA493490A true CA493490A (en) | 1953-06-09 |
Family
ID=35638879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA493490A Expired CA493490A (en) | Telephone or like systems |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA493490A (en) |
-
0
- CA CA493490A patent/CA493490A/en not_active Expired
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