NL194886A - - Google Patents
Info
- Publication number
- NL194886A NL194886A NL194886DA NL194886A NL 194886 A NL194886 A NL 194886A NL 194886D A NL194886D A NL 194886DA NL 194886 A NL194886 A NL 194886A
- 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 |
|---|---|---|---|
| DE1119480X | 1954-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL194886A true NL194886A (fr) |
Family
ID=7724445
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL103239D NL103239C (fr) | 1954-02-26 | ||
| NL194886D NL194886A (fr) | 1954-02-26 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL103239D NL103239C (fr) | 1954-02-26 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1119480A (fr) |
| NL (2) | NL194886A (fr) |
-
0
- NL NL103239D patent/NL103239C/xx active
- NL NL194886D patent/NL194886A/xx unknown
-
1955
- 1955-02-21 FR FR1119480D patent/FR1119480A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1119480A (fr) | 1956-06-20 |
| NL103239C (fr) |