BE446452A - - Google Patents
Info
- Publication number
- BE446452A BE446452A BE446452DA BE446452A BE 446452 A BE446452 A BE 446452A BE 446452D A BE446452D A BE 446452DA BE 446452 A BE446452 A BE 446452A
- 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 |
|---|---|---|---|
| DE884346X | 1941-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446452A true BE446452A (https=) |
Family
ID=6832402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446452D BE446452A (https=) | 1941-07-28 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE446452A (https=) |
| FR (1) | FR884346A (https=) |
-
0
- BE BE446452D patent/BE446452A/xx unknown
-
1942
- 1942-07-22 FR FR884346D patent/FR884346A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR884346A (fr) | 1943-08-10 |