NL46481C - - Google Patents
Info
- Publication number
- NL46481C NL46481C NL46481DA NL46481C NL 46481 C NL46481 C NL 46481C NL 46481D A NL46481D A NL 46481DA NL 46481 C NL46481 C NL 46481C
- 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
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA79173D DE666739C (de) | 1935-06-09 | 1935-06-09 | Verfahren zum Herstellen von isolierten wendelfoermigen Heizdraehten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL46481C true NL46481C (xx) |
Family
ID=6947652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL46481D NL46481C (xx) | 1935-06-09 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE666739C (xx) |
| NL (1) | NL46481C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE874338C (de) * | 1941-05-10 | 1953-04-23 | Telefunken Gmbh | Verfahren zur Herstellung einer Gluehdrahtwendel |
| GB810202A (en) * | 1955-06-10 | 1959-03-11 | Vickers Electrical Co Ltd | Improvements relating to thermionic cathodes for electron discharge devices |
-
0
- NL NL46481D patent/NL46481C/xx active
-
1935
- 1935-06-09 DE DEA79173D patent/DE666739C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE666739C (de) | 1938-10-27 |