CA171552A - Switch for telephone systems - Google Patents
Switch for telephone systemsInfo
- Publication number
- CA171552A CA171552A CA000171552A CA171552DA CA171552A CA 171552 A CA171552 A CA 171552A CA 000171552 A CA000171552 A CA 000171552A CA 171552D A CA171552D A CA 171552DA CA 171552 A CA171552 A CA 171552A
- Authority
- CA
- Canada
- Prior art keywords
- switch
- telephone systems
- 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 |
---|---|---|---|
CA171552T | 1913-07-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA171552A true CA171552A (en) | 1916-08-29 |
Family
ID=45291211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000171552A Expired CA171552A (en) | 1913-07-18 | 1913-07-18 | Switch for telephone systems |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA171552A (en) |
-
1913
- 1913-07-18 CA CA000171552A patent/CA171552A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA171552A (en) | Switch for telephone systems | |
CA164458A (en) | Telephone switching system | |
CA148682A (en) | Switch for telephone systems | |
CA164217A (en) | Telephone system | |
CA166250A (en) | Telephone system | |
CA173673A (en) | Telephone system | |
CA159346A (en) | Telephone system | |
CA159518A (en) | Telephone system | |
CA159645A (en) | Telephone system | |
CA159741A (en) | Telephone system | |
CA159748A (en) | Telephone system | |
CA165670A (en) | Telephone system | |
CA166115A (en) | Telephone system | |
CA166116A (en) | Telephone system | |
CA167706A (en) | Telephone system | |
CA170646A (en) | Telephone system | |
CA171099A (en) | Telephone system | |
CA171776A (en) | Telephone system | |
CA173672A (en) | Telephone system | |
CA174416A (en) | Telephone system | |
CA175100A (en) | Telephone system | |
CA175102A (en) | Telephone system | |
CA178870A (en) | Telephone system | |
CA179251A (en) | Telephone system | |
CA163323A (en) | Telephone switch system |