NL89857C - - Google Patents
Info
- Publication number
- NL89857C NL89857C NL89857DA NL89857C NL 89857 C NL89857 C NL 89857C NL 89857D A NL89857D A NL 89857DA NL 89857 C NL89857 C NL 89857C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Solid Thermionic Cathode (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU281264X | 1949-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL89857C true NL89857C (mo) |
Family
ID=10978688
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95833D NL95833C (mo) | 1949-05-11 | ||
| NL89857D NL89857C (mo) | 1949-05-11 | ||
| NLAANVRAGE7706385,A NL175814B (nl) | 1949-05-11 | Werkwijze voor de bereiding van een radiologisch preparaat en voor de bereiding van een daarin te gebruiken trijoodisoftaalamide. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95833D NL95833C (mo) | 1949-05-11 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7706385,A NL175814B (nl) | 1949-05-11 | Werkwijze voor de bereiding van een radiologisch preparaat en voor de bereiding van een daarin te gebruiken trijoodisoftaalamide. |
Country Status (4)
| Country | Link |
|---|---|
| CH (2) | CH281264A (mo) |
| FR (2) | FR1008217A (mo) |
| GB (1) | GB673438A (mo) |
| NL (3) | NL175814B (mo) |
-
0
- NL NL95833D patent/NL95833C/xx active
- NL NL89857D patent/NL89857C/xx active
- NL NLAANVRAGE7706385,A patent/NL175814B/xx unknown
-
1949
- 1949-12-13 CH CH281264D patent/CH281264A/de unknown
-
1950
- 1950-01-11 FR FR1008217D patent/FR1008217A/fr not_active Expired
- 1950-04-13 GB GB9129/50A patent/GB673438A/en not_active Expired
-
1953
- 1953-01-26 CH CH314200D patent/CH314200A/de unknown
- 1953-01-30 FR FR63699D patent/FR63699E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL95833C (mo) | |
| CH281264A (de) | 1952-02-29 |
| CH314200A (de) | 1956-05-31 |
| NL175814B (nl) | |
| FR1008217A (fr) | 1952-05-15 |
| FR63699E (fr) | 1955-09-30 |
| GB673438A (en) | 1952-06-04 |