NL34206C - - Google Patents
Info
- Publication number
- NL34206C NL34206C NL34206DA NL34206C NL 34206 C NL34206 C NL 34206C NL 34206D A NL34206D A NL 34206DA NL 34206 C NL34206 C NL 34206C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR723282T | 1931-09-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34206C true NL34206C (fr) |
Family
ID=9104339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34206D NL34206C (fr) | 1931-09-24 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR723282A (fr) |
| NL (1) | NL34206C (fr) |
-
0
- NL NL34206D patent/NL34206C/xx active
-
1931
- 1931-09-24 FR FR723282D patent/FR723282A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR723282A (fr) | 1932-04-06 |