NL39995C - - Google Patents
Info
- Publication number
- NL39995C NL39995C NL39995DA NL39995C NL 39995 C NL39995 C NL 39995C NL 39995D A NL39995D A NL 39995DA NL 39995 C NL39995 C NL 39995C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL419866X | 1933-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL39995C true NL39995C (fr) |
Family
ID=19786057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL39995D NL39995C (fr) | 1933-06-02 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE639117C (fr) |
| FR (1) | FR773176A (fr) |
| GB (1) | GB419866A (fr) |
| NL (1) | NL39995C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2756994A (en) * | 1953-10-19 | 1956-07-31 | Littell Machine Co F J | Intermittent feeding and cutting machine with variating means |
| GB2192751B (en) * | 1986-07-14 | 1991-02-13 | Denki Kagaku Kogyo Kk | Method of making a thermionic cathode structure. |
-
0
- NL NL39995D patent/NL39995C/xx active
-
1933
- 1933-06-18 DE DEN35365D patent/DE639117C/de not_active Expired
-
1934
- 1934-05-11 FR FR773176D patent/FR773176A/fr not_active Expired
- 1934-05-14 GB GB14546/34A patent/GB419866A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE639117C (de) | 1936-11-28 |
| FR773176A (fr) | 1934-11-13 |
| GB419866A (en) | 1934-11-20 |