FR2119782A5 - - Google Patents
Info
- Publication number
- FR2119782A5 FR2119782A5 FR7147450A FR7147450A FR2119782A5 FR 2119782 A5 FR2119782 A5 FR 2119782A5 FR 7147450 A FR7147450 A FR 7147450A FR 7147450 A FR7147450 A FR 7147450A FR 2119782 A5 FR2119782 A5 FR 2119782A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Solid Thermionic Cathode (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12944371A | 1971-03-30 | 1971-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2119782A5 true FR2119782A5 (enExample) | 1972-08-04 |
Family
ID=22439967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7147450A Expired FR2119782A5 (enExample) | 1971-03-30 | 1971-12-30 |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA967739A (enExample) |
| DE (1) | DE2165746A1 (enExample) |
| FR (1) | FR2119782A5 (enExample) |
| GB (1) | GB1371089A (enExample) |
| IT (1) | IT965586B (enExample) |
| NL (1) | NL7118083A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8428881D0 (en) * | 1984-11-15 | 1984-12-27 | Atomic Energy Authority Uk | Light scattering coatings |
-
1971
- 1971-12-10 CA CA129,825A patent/CA967739A/en not_active Expired
- 1971-12-29 NL NL7118083A patent/NL7118083A/xx unknown
- 1971-12-30 IT IT3314171A patent/IT965586B/it active
- 1971-12-30 GB GB6083171A patent/GB1371089A/en not_active Expired
- 1971-12-30 DE DE19712165746 patent/DE2165746A1/de active Pending
- 1971-12-30 FR FR7147450A patent/FR2119782A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2165746A1 (de) | 1972-10-12 |
| NL7118083A (enExample) | 1972-10-03 |
| GB1371089A (en) | 1974-10-23 |
| CA967739A (en) | 1975-05-20 |
| IT965586B (it) | 1974-02-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |