BE348355A - - Google Patents
Info
- Publication number
- BE348355A BE348355A BE348355DA BE348355A BE 348355 A BE348355 A BE 348355A BE 348355D A BE348355D A BE 348355DA BE 348355 A BE348355 A BE 348355A
- 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)
- Electrolytic Production Of Metals (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT289762X | 1927-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE348355A true BE348355A (xx) |
Family
ID=3670921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE348355D BE348355A (xx) | 1927-04-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE348355A (xx) |
| DE (1) | DE593719C (xx) |
| GB (1) | GB289762A (xx) |
-
0
- BE BE348355D patent/BE348355A/xx unknown
-
1927
- 1927-05-18 DE DEV22543D patent/DE593719C/de not_active Expired
- 1927-11-18 GB GB13022/27A patent/GB289762A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB289762A (en) | 1929-01-03 |
| DE593719C (de) | 1934-03-05 |