CA190212A - Commutateur telephonique - Google Patents
Commutateur telephoniqueInfo
- Publication number
- CA190212A CA190212A CA000190212A CA190212DA CA190212A CA 190212 A CA190212 A CA 190212A CA 000190212 A CA000190212 A CA 000190212A CA 190212D A CA190212D A CA 190212DA CA 190212 A CA190212 A CA 190212A
- Authority
- CA
- Canada
- Prior art keywords
- 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 |
---|---|---|---|
CA190212T | 1918-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA190212A true CA190212A (fr) | 1919-05-06 |
Family
ID=45309863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000190212A Expired CA190212A (fr) | 1918-02-22 | 1918-02-22 | Commutateur telephonique |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA190212A (fr) |
-
1918
- 1918-02-22 CA CA000190212A patent/CA190212A/fr not_active Expired
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