BE508873A - - Google Patents
Info
- Publication number
- BE508873A BE508873A BE508873DA BE508873A BE 508873 A BE508873 A BE 508873A BE 508873D A BE508873D A BE 508873DA BE 508873 A BE508873 A BE 508873A
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298663X | 1951-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508873A true BE508873A (enrdf_load_html_response) |
Family
ID=19783115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508873D BE508873A (enrdf_load_html_response) | 1951-02-02 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE508873A (enrdf_load_html_response) |
| CH (1) | CH298663A (enrdf_load_html_response) |
| DE (1) | DE925367C (enrdf_load_html_response) |
| FR (1) | FR1050051A (enrdf_load_html_response) |
| GB (1) | GB700053A (enrdf_load_html_response) |
| NL (1) | NL76950C (enrdf_load_html_response) |
-
0
- BE BE508873D patent/BE508873A/xx unknown
- NL NL76950D patent/NL76950C/xx active
-
1952
- 1952-01-30 GB GB2496/52A patent/GB700053A/en not_active Expired
- 1952-01-30 DE DEN5025A patent/DE925367C/de not_active Expired
- 1952-01-31 FR FR1050051D patent/FR1050051A/fr not_active Expired
- 1952-01-31 CH CH298663D patent/CH298663A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL76950C (enrdf_load_html_response) | |
| DE925367C (de) | 1955-03-21 |
| CH298663A (de) | 1954-05-15 |
| GB700053A (en) | 1953-11-25 |
| FR1050051A (fr) | 1954-01-05 |