NL41335C - - Google Patents
Info
- Publication number
- NL41335C NL41335C NL41335DA NL41335C NL 41335 C NL41335 C NL 41335C NL 41335D A NL41335D A NL 41335DA NL 41335 C NL41335 C NL 41335C
- 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)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1934A0072842 DE688418C (en) | 1934-03-28 | 1934-03-28 | Process for the production of indirectly heated cathodes for electrical discharge vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41335C true NL41335C (en) |
Family
ID=6945678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL41335D NL41335C (en) | 1934-03-28 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE688418C (en) |
| DK (1) | DK50892C (en) |
| NL (1) | NL41335C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE887554C (en) * | 1943-05-26 | 1953-08-24 | Telefunken Gmbh | Process for the production of helices from straight or coiled wires |
-
0
- NL NL41335D patent/NL41335C/xx active
-
1934
- 1934-03-28 DE DE1934A0072842 patent/DE688418C/en not_active Expired
-
1935
- 1935-03-22 DK DK50892D patent/DK50892C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE688418C (en) | 1940-02-20 |
| DK50892C (en) | 1935-11-11 |