NL31927C - - Google Patents
Info
- Publication number
- NL31927C NL31927C NL31927DA NL31927C NL 31927 C NL31927 C NL 31927C NL 31927D A NL31927D A NL 31927DA NL 31927 C NL31927 C NL 31927C
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL354141X | 1930-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31927C true NL31927C (de) |
Family
ID=19785150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31927D NL31927C (de) | 1930-01-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2030420A (de) |
| DE (1) | DE620832C (de) |
| FR (1) | FR706799A (de) |
| GB (1) | GB354141A (de) |
| NL (1) | NL31927C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE968579C (de) * | 1941-09-02 | 1958-03-06 | Felix Mueller Dr Ing | Elektrische Hochdruck-Entladungsroehre fuer Beleuchtungs- und Strahlungszwecke |
| EP2321052B1 (de) * | 2008-08-08 | 2019-09-25 | Broadley-James Corporation | Vorrichtung zur exposition eines sensors einer zellkulturpopulation in einem bioreaktorgefäss |
-
0
- NL NL31927D patent/NL31927C/xx active
-
1930
- 1930-10-28 US US491769A patent/US2030420A/en not_active Expired - Lifetime
- 1930-11-28 GB GB35873/30A patent/GB354141A/en not_active Expired
- 1930-11-29 DE DE1930620832D patent/DE620832C/de not_active Expired
- 1930-12-01 FR FR706799D patent/FR706799A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2030420A (en) | 1936-02-11 |
| DE620832C (de) | 1935-10-28 |
| GB354141A (en) | 1931-08-06 |
| FR706799A (fr) | 1931-06-29 |