NL32001C - - Google Patents
Info
- Publication number
- NL32001C NL32001C NL32001DA NL32001C NL 32001 C NL32001 C NL 32001C NL 32001D A NL32001D A NL 32001DA NL 32001 C NL32001 C NL 32001C
- 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)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR40132T | 1931-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32001C true NL32001C (OSRAM) |
Family
ID=8676448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32001D NL32001C (OSRAM) | 1931-04-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE379115A (OSRAM) |
| FR (1) | FR40132E (OSRAM) |
| NL (1) | NL32001C (OSRAM) |
-
0
- BE BE379115D patent/BE379115A/fr unknown
- NL NL32001D patent/NL32001C/xx active
-
1931
- 1931-04-21 FR FR40132D patent/FR40132E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR40132E (fr) | 1932-04-20 |
| BE379115A (OSRAM) |