BE381048A - - Google Patents
Info
- Publication number
- BE381048A BE381048A BE381048DA BE381048A BE 381048 A BE381048 A BE 381048A BE 381048D A BE381048D A BE 381048DA BE 381048 A BE381048 A BE 381048A
- 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)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU386959X | 1930-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381048A true BE381048A (en:Method) |
Family
ID=10979020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381048D BE381048A (en:Method) | 1930-07-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE381048A (en:Method) |
| FR (1) | FR716233A (en:Method) |
| GB (1) | GB386959A (en:Method) |
-
0
- BE BE381048D patent/BE381048A/xx unknown
-
1931
- 1931-04-23 GB GB12057/31A patent/GB386959A/en not_active Expired
- 1931-04-29 FR FR716233D patent/FR716233A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR716233A (fr) | 1931-12-17 |
| GB386959A (en) | 1933-01-26 |