FR632945A - - Google Patents
Info
- Publication number
- FR632945A FR632945A FR632945DA FR632945A FR 632945 A FR632945 A FR 632945A FR 632945D A FR632945D A FR 632945DA FR 632945 A FR632945 A FR 632945A
- 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
- H01J21/00—Vacuum tubes
- H01J21/20—Tubes with more than one discharge path; Multiple tubes, e.g. double diode, triode-hexode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/003—Tubes with plural electrode systems
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632945A true FR632945A (ja) | 1928-01-18 |
Family
ID=1541986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632945D Expired FR632945A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632945A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE852581C (de) * | 1933-09-16 | 1952-10-16 | Helmut Dipl-Ing Pitsch | Mischroehre |
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0
- FR FR632945D patent/FR632945A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE852581C (de) * | 1933-09-16 | 1952-10-16 | Helmut Dipl-Ing Pitsch | Mischroehre |