CA379443A - Light signal - Google Patents
Light signalInfo
- Publication number
- CA379443A CA379443A CA379443A CA379443DA CA379443A CA 379443 A CA379443 A CA 379443A CA 379443 A CA379443 A CA 379443A CA 379443D A CA379443D A CA 379443DA CA 379443 A CA379443 A CA 379443A
- Authority
- CA
- Canada
- Prior art keywords
- light signal
- light
- signal
- 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 |
|---|---|---|---|
| CA379443T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA379443A true CA379443A (en) | 1939-02-07 |
Family
ID=35383768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA379443A Expired CA379443A (en) | Light signal |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA379443A (en) |
-
0
- CA CA379443A patent/CA379443A/en not_active Expired
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