NL49981C - - Google Patents
Info
- Publication number
- NL49981C NL49981C NL49981DA NL49981C NL 49981 C NL49981 C NL 49981C NL 49981D A NL49981D A NL 49981DA NL 49981 C NL49981 C NL 49981C
- 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
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE830510X | 1936-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49981C true NL49981C (en:Method) |
Family
ID=6750321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49981D NL49981C (en:Method) | 1936-12-07 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR830510A (en:Method) |
| NL (1) | NL49981C (en:Method) |
-
0
- NL NL49981D patent/NL49981C/xx active
-
1937
- 1937-12-07 FR FR830510D patent/FR830510A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR830510A (fr) | 1938-08-02 |