BE448267A - - Google Patents
Info
- Publication number
- BE448267A BE448267A BE448267DA BE448267A BE 448267 A BE448267 A BE 448267A BE 448267D A BE448267D A BE 448267DA BE 448267 A BE448267 A BE 448267A
- 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 |
|---|---|---|---|
| DE256326X | 1942-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE448267A true BE448267A (forum.php) |
Family
ID=5966296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE448267D BE448267A (forum.php) | 1942-01-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE448267A (forum.php) |
| CH (1) | CH256326A (forum.php) |
| FR (1) | FR889446A (forum.php) |
-
0
- BE BE448267D patent/BE448267A/xx unknown
-
1942
- 1942-10-31 CH CH256326D patent/CH256326A/de unknown
- 1942-12-28 FR FR889446D patent/FR889446A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR889446A (fr) | 1944-01-10 |
| CH256326A (de) | 1948-08-15 |