BE419209A - - Google Patents
Info
- Publication number
- BE419209A BE419209A BE419209DA BE419209A BE 419209 A BE419209 A BE 419209A BE 419209D A BE419209D A BE 419209DA BE 419209 A BE419209 A BE 419209A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE815690X | 1935-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419209A true BE419209A (en(2012)) |
Family
ID=6734825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419209D BE419209A (en(2012)) | 1935-12-31 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE419209A (en(2012)) |
| FR (1) | FR815690A (en(2012)) |
-
0
- BE BE419209D patent/BE419209A/xx unknown
-
1936
- 1936-12-29 FR FR815690D patent/FR815690A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR815690A (fr) | 1937-07-20 |