CA423507A - Systeme de transmission telephonique - Google Patents
Systeme de transmission telephoniqueInfo
- Publication number
- CA423507A CA423507A CA423507A CA423507DA CA423507A CA 423507 A CA423507 A CA 423507A CA 423507 A CA423507 A CA 423507A CA 423507D A CA423507D A CA 423507DA CA 423507 A CA423507 A CA 423507A
- 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 |
---|---|---|---|
CA423507T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA423507A true CA423507A (fr) | 1944-10-31 |
Family
ID=35534511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA423507A Expired CA423507A (fr) | Systeme de transmission telephonique |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA423507A (fr) |
-
0
- CA CA423507A patent/CA423507A/fr not_active Expired
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