NL34423C - - Google Patents
Info
- Publication number
- NL34423C NL34423C NL34423DA NL34423C NL 34423 C NL34423 C NL 34423C NL 34423D A NL34423D A NL 34423DA NL 34423 C NL34423 C NL 34423C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1883840X | 1930-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34423C true NL34423C (en:Method) |
Family
ID=7747503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34423D NL34423C (en:Method) | 1930-07-16 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1883840A (en:Method) |
| NL (1) | NL34423C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE559450A (en:Method) * | 1956-07-24 | |||
| US3150342A (en) * | 1960-02-10 | 1964-09-22 | Morganite Resistors Ltd | Non-linear resistors |
| US3273005A (en) * | 1963-04-01 | 1966-09-13 | Gen Electric | Electron emitter utilizing nitride emissive material |
-
0
- NL NL34423D patent/NL34423C/xx active
-
1931
- 1931-06-30 US US548036A patent/US1883840A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1883840A (en) | 1932-10-18 |