BE373394A - - Google Patents
Info
- Publication number
- BE373394A BE373394A BE373394DA BE373394A BE 373394 A BE373394 A BE 373394A BE 373394D A BE373394D A BE 373394DA BE 373394 A BE373394 A BE 373394A
- 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 |
|---|---|---|---|
| BE722824X | 1930-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE373394A true BE373394A (en:Method) |
Family
ID=3878934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE373394D BE373394A (en:Method) | 1930-09-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE373394A (en:Method) |
| FR (1) | FR722824A (en:Method) |
-
0
- BE BE373394D patent/BE373394A/xx unknown
-
1931
- 1931-09-11 FR FR722824D patent/FR722824A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR722824A (fr) | 1932-03-26 |