CA180965A - Telephone trunking system - Google Patents
Telephone trunking systemInfo
- Publication number
- CA180965A CA180965A CA000180965A CA180965DA CA180965A CA 180965 A CA180965 A CA 180965A CA 000180965 A CA000180965 A CA 000180965A CA 180965D A CA180965D A CA 180965DA CA 180965 A CA180965 A CA 180965A
- Authority
- CA
- Canada
- Prior art keywords
- trunking system
- telephone trunking
- telephone
- trunking
- 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 |
---|---|---|---|
CA180965T | 1916-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA180965A true CA180965A (en) | 1917-12-11 |
Family
ID=45300617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000180965A Expired CA180965A (en) | 1916-10-07 | 1916-10-07 | Telephone trunking system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA180965A (en) |
-
1916
- 1916-10-07 CA CA000180965A patent/CA180965A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA180965A (en) | Telephone trunking system | |
CA176770A (en) | Telephone system | |
CA178987A (en) | Telephone system | |
CA172953A (en) | Telephone system | |
CA181642A (en) | Telephone system | |
CA192100A (en) | Telephone system | |
CA179149A (en) | Telephone system | |
CA174086A (en) | Telephone system | |
CA175427A (en) | Telephone system | |
CA175624A (en) | Telephone system | |
CA175625A (en) | Telephone system | |
CA177083A (en) | Telephone system | |
CA177491A (en) | Telephone system | |
CA178265A (en) | Telephone system | |
CA178319A (en) | Telephone system | |
CA178633A (en) | Telephone system | |
CA180375A (en) | Telephone system | |
CA173904A (en) | Telephone system | |
CA176096A (en) | Telephone system | |
CA176356A (en) | Telephone system | |
CA167736A (en) | Telephone system | |
CA178647A (en) | Telephone system | |
CA170584A (en) | Trunking | |
CA175425A (en) | Telephone switching system | |
CA175732A (en) | Telephone transmission system |