CA447413A - Structure de lampe a vide - Google Patents
Structure de lampe a videInfo
- Publication number
- CA447413A CA447413A CA447413A CA447413DA CA447413A CA 447413 A CA447413 A CA 447413A CA 447413 A CA447413 A CA 447413A CA 447413D A CA447413D A CA 447413DA CA 447413 A CA447413 A CA 447413A
- Authority
- CA
- Canada
- Prior art keywords
- vacuum tube
- tube structure
- 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 |
---|---|---|---|
CA447413T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA447413A true CA447413A (fr) | 1948-03-23 |
Family
ID=35565094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA447413A Expired CA447413A (fr) | Structure de lampe a vide |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA447413A (fr) |
-
0
- CA CA447413A patent/CA447413A/fr not_active Expired
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