CA417505A - Closed circuit alarm - Google Patents
Closed circuit alarmInfo
- Publication number
- CA417505A CA417505A CA417505A CA417505DA CA417505A CA 417505 A CA417505 A CA 417505A CA 417505 A CA417505 A CA 417505A CA 417505D A CA417505D A CA 417505DA CA 417505 A CA417505 A CA 417505A
- Authority
- CA
- Canada
- Prior art keywords
- closed circuit
- circuit alarm
- alarm
- closed
- circuit
- 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 |
---|---|---|---|
CA417505T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA417505A true CA417505A (en) | 1944-01-04 |
Family
ID=35526753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA417505A Expired CA417505A (en) | Closed circuit alarm |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA417505A (en) |
-
0
- CA CA417505A patent/CA417505A/en not_active Expired
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