NL50307C - - Google Patents
Info
- Publication number
- NL50307C NL50307C NL50307DA NL50307C NL 50307 C NL50307 C NL 50307C NL 50307D A NL50307D A NL 50307DA NL 50307 C NL50307 C NL 50307C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/066—Details of electron optical components, e.g. cathode cups
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1958/37A GB489290A (en) | 1937-01-22 | 1937-01-22 | Improvements in or relating to x-ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50307C true NL50307C (zh) |
Family
ID=9731036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50307D NL50307C (zh) | 1937-01-22 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR831561A (zh) |
| GB (1) | GB489290A (zh) |
| NL (1) | NL50307C (zh) |
-
0
- NL NL50307D patent/NL50307C/xx active
-
1937
- 1937-01-22 GB GB1958/37A patent/GB489290A/en not_active Expired
- 1937-12-31 FR FR831561D patent/FR831561A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR831561A (fr) | 1938-09-08 |
| GB489290A (en) | 1938-07-22 |