FR939018A - Tubes électroniques - Google Patents
Tubes électroniquesInfo
- Publication number
- FR939018A FR939018A FR939018DA FR939018A FR 939018 A FR939018 A FR 939018A FR 939018D A FR939018D A FR 939018DA FR 939018 A FR939018 A FR 939018A
- Authority
- FR
- France
- Prior art keywords
- electronic tubes
- tubes
- electronic
- Prior art date
- 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
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR939018T | 1946-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR939018A true FR939018A (fr) | 1948-11-02 |
Family
ID=9458471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR939018D Expired FR939018A (fr) | 1946-03-23 | 1946-03-23 | Tubes électroniques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR939018A (fr) |
-
1946
- 1946-03-23 FR FR939018D patent/FR939018A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH332721A (de) | Bauteil | |
| FR923564A (fr) | Landau-berceau | |
| AT174006B (de) | Firngleiter | |
| FI22251A (fi) | Fågelskrämma | |
| FR923985A (fr) | Tubes électroniques | |
| FR926572A (fr) | Tubes électroniques | |
| FR936550A (fr) | Bidon | |
| FR921012A (fr) | Auto-ventouseur | |
| FI22245A (fi) | Vedklyvningsmaskin | |
| FI21718A (fi) | Limningspress | |
| FI22865A (fi) | Enmedig kälke | |
| FR939223A (fr) | Perfectionnements aux tubes électroniques | |
| FR952543A (fr) | Perfectionnements aux tubes électroniques | |
| FR948994A (fr) | Perfectionnements aux tubes électroniques | |
| FR54492E (fr) | Perfectionnements aux tubes électroniques | |
| FR942577A (fr) | Perfectionnements aux tubes électroniques | |
| FR920305A (fr) | Moissonneuse-lieuse | |
| FR919723A (fr) | Stylographe | |
| ES13495Y (es) | Alpargata | |
| FR926772A (fr) | Cyclographe | |
| ES13448Y (es) | Alpargata-bota | |
| FI21380A (fi) | Bärvågssystem | |
| FI23642A (fi) | Stubintråd | |
| FI22479A (fi) | Torvskärningsmaskin | |
| FI23734A (fi) | Kalamerta |