CA215078A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA215078A CA215078A CA215078A CA215078DA CA215078A CA 215078 A CA215078 A CA 215078A CA 215078 A CA215078 A CA 215078A CA 215078D A CA215078D A CA 215078DA CA 215078 A CA215078 A CA 215078A
- Authority
- CA
- Canada
- Prior art keywords
- vacuum tube
- vacuum
- tube
- 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 |
|---|---|---|---|
| CA215078T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA215078A true CA215078A (fr) | 1922-01-10 |
Family
ID=35109522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA215078A Expired CA215078A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA215078A (fr) |
-
0
- CA CA215078A patent/CA215078A/fr not_active Expired
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