CA252448A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA252448A CA252448A CA252448A CA252448DA CA252448A CA 252448 A CA252448 A CA 252448A CA 252448 A CA252448 A CA 252448A CA 252448D A CA252448D A CA 252448DA CA 252448 A CA252448 A CA 252448A
- 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 |
|---|---|---|---|
| CA252448T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA252448A true CA252448A (fr) | 1925-08-04 |
Family
ID=35159422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA252448A Expired CA252448A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA252448A (fr) |
-
0
- CA CA252448A patent/CA252448A/fr not_active Expired
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