BE451872A - - Google Patents
Info
- Publication number
- BE451872A BE451872A BE451872DA BE451872A BE 451872 A BE451872 A BE 451872A BE 451872D A BE451872D A BE 451872DA BE 451872 A BE451872 A BE 451872A
- Authority
- BE
- Belgium
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)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE896920X | 1942-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE451872A true BE451872A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=6848436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE451872D BE451872A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1942-08-14 |
Country Status (3)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4305558A1 (de) * | 1993-02-24 | 1994-08-25 | Asea Brown Boveri | Verfahren zur Herstellung von Drähten, welche insbesondere für Kathoden von Elektronenröhren geeignet sind |
-
0
- BE BE451872D patent/BE451872A/xx unknown
- DE DENDAT903490D patent/DE903490C/de not_active Expired
-
1943
- 1943-08-02 FR FR896920D patent/FR896920A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE903490C (de) | 1953-12-24 |
| FR896920A (fr) | 1945-03-07 |