CA298847A - Scellement de lampe a vide - Google Patents
Scellement de lampe a videInfo
- Publication number
- CA298847A CA298847A CA298847A CA298847DA CA298847A CA 298847 A CA298847 A CA 298847A CA 298847 A CA298847 A CA 298847A CA 298847D A CA298847D A CA 298847DA CA 298847 A CA298847 A CA 298847A
- Authority
- CA
- Canada
- Prior art keywords
- seal
- vacuum tubes
- tubes
- vacuum
- 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 |
|---|---|---|---|
| CA298847T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA298847A true CA298847A (fr) | 1930-04-01 |
Family
ID=35236166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA298847A Expired CA298847A (fr) | Scellement de lampe a vide |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA298847A (fr) |
-
0
- CA CA298847A patent/CA298847A/fr not_active Expired
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