BE449680A - - Google Patents
Info
- Publication number
- BE449680A BE449680A BE449680DA BE449680A BE 449680 A BE449680 A BE 449680A BE 449680D A BE449680D A BE 449680DA BE 449680 A BE449680 A BE 449680A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE892099X | 1942-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449680A true BE449680A (nl) |
Family
ID=6846181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449680D BE449680A (nl) | 1942-05-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE449680A (nl) |
| FR (1) | FR892099A (nl) |
-
0
- BE BE449680D patent/BE449680A/xx unknown
-
1943
- 1943-03-10 FR FR892099D patent/FR892099A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR892099A (fr) | 1944-03-28 |