BE420658A - - Google Patents
Info
- Publication number
- BE420658A BE420658A BE420658DA BE420658A BE 420658 A BE420658 A BE 420658A BE 420658D A BE420658D A BE 420658DA BE 420658 A BE420658 A BE 420658A
- Authority
- BE
- Belgium
- Prior art keywords
- metal
- discharge
- cathode
- tube
- casing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
Landscapes
- Lasers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420658A true BE420658A (enEXAMPLES) |
Family
ID=82686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420658D BE420658A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE420658A (enEXAMPLES) |
-
0
- BE BE420658D patent/BE420658A/fr unknown