CA216483A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA216483A CA216483A CA216483A CA216483DA CA216483A CA 216483 A CA216483 A CA 216483A CA 216483 A CA216483 A CA 216483A CA 216483D A CA216483D A CA 216483DA CA 216483 A CA216483 A CA 216483A
- 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 |
|---|---|---|---|
| CA216483T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA216483A true CA216483A (fr) | 1922-03-07 |
Family
ID=35110927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA216483A Expired CA216483A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA216483A (fr) |
-
0
- CA CA216483A patent/CA216483A/fr not_active Expired
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