FR702180A - - Google Patents
Info
- Publication number
- FR702180A FR702180A FR702180DA FR702180A FR 702180 A FR702180 A FR 702180A FR 702180D A FR702180D A FR 702180DA FR 702180 A FR702180 A FR 702180A
- 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
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/32—Cooling arrangements; Heating arrangements
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR702180A true FR702180A (ro) | 1931-04-01 |
Family
ID=1544282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR702180D Expired FR702180A (ro) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR702180A (ro) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE754222C (de) * | 1938-03-31 | 1954-01-11 | Julius Pintsch K G | Insbesondere durch einen Luftstrom gekuehlter Vakuumentladungs-apparat mit Quecksilberkathode, Gas- oder Dampffuellung und metallenem Gefaess |
-
0
- FR FR702180D patent/FR702180A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE754222C (de) * | 1938-03-31 | 1954-01-11 | Julius Pintsch K G | Insbesondere durch einen Luftstrom gekuehlter Vakuumentladungs-apparat mit Quecksilberkathode, Gas- oder Dampffuellung und metallenem Gefaess |