NL55302C - - Google Patents
Info
- Publication number
- NL55302C NL55302C NL55302DA NL55302C NL 55302 C NL55302 C NL 55302C NL 55302D A NL55302D A NL 55302DA NL 55302 C NL55302 C NL 55302C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE859474X | 1938-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL55302C true NL55302C (en:Method) |
Family
ID=6790126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55302D NL55302C (en:Method) | 1938-08-26 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR859474A (en:Method) |
| NL (1) | NL55302C (en:Method) |
-
0
- NL NL55302D patent/NL55302C/xx active
-
1939
- 1939-08-25 FR FR859474D patent/FR859474A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR859474A (fr) | 1940-12-19 |