NL54269C - - Google Patents
Info
- Publication number
- NL54269C NL54269C NL54269DA NL54269C NL 54269 C NL54269 C NL 54269C NL 54269D A NL54269D A NL 54269DA NL 54269 C NL54269 C NL 54269C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| US219786XA | 1938-08-27 | 1938-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54269C true NL54269C (en:Method) |
Family
ID=21807186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54269D NL54269C (en:Method) | 1938-08-27 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH219786A (en:Method) |
| NL (1) | NL54269C (en:Method) |
-
0
- NL NL54269D patent/NL54269C/xx active
-
1939
- 1939-08-25 CH CH219786D patent/CH219786A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH219786A (de) | 1942-02-28 |