CA375318A - Two-way telephone system - Google Patents
Two-way telephone systemInfo
- Publication number
- CA375318A CA375318A CA375318A CA375318DA CA375318A CA 375318 A CA375318 A CA 375318A CA 375318 A CA375318 A CA 375318A CA 375318D A CA375318D A CA 375318DA CA 375318 A CA375318 A CA 375318A
- Authority
- CA
- Canada
- Prior art keywords
- telephone system
- way telephone
- way
- telephone
- 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 |
---|---|---|---|
CA375318T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA375318A true CA375318A (en) | 1938-07-26 |
Family
ID=35379642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA375318A Expired CA375318A (en) | Two-way telephone system |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA375318A (en) |
-
0
- CA CA375318A patent/CA375318A/en not_active Expired
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