NL37815C - - Google Patents
Info
- Publication number
- NL37815C NL37815C NL37815DA NL37815C NL 37815 C NL37815 C NL 37815C NL 37815D A NL37815D A NL 37815DA NL 37815 C NL37815 C NL 37815C
- 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
- H01J9/045—Activation of assembled cathode
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE408657X | 1931-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL37815C true NL37815C (fr) |
Family
ID=6422323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37815D NL37815C (fr) | 1931-09-11 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB408657A (fr) |
| NL (1) | NL37815C (fr) |
-
0
- NL NL37815D patent/NL37815C/xx active
-
1932
- 1932-09-09 GB GB25110/32A patent/GB408657A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB408657A (en) | 1934-04-09 |