CA248741A - Tube a vide - Google Patents
Tube a videInfo
- Publication number
- CA248741A CA248741A CA248741A CA248741DA CA248741A CA 248741 A CA248741 A CA 248741A CA 248741 A CA248741 A CA 248741A CA 248741D A CA248741D A CA 248741DA CA 248741 A CA248741 A CA 248741A
- 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 |
|---|---|---|---|
| CA248741T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA248741A true CA248741A (fr) | 1925-04-14 |
Family
ID=35155715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA248741A Expired CA248741A (fr) | Tube a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA248741A (fr) |
-
0
- CA CA248741A patent/CA248741A/fr not_active Expired
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