FR786667A - Improvements to discharge tubes - Google Patents
Improvements to discharge tubesInfo
- Publication number
- FR786667A FR786667A FR786667DA FR786667A FR 786667 A FR786667 A FR 786667A FR 786667D A FR786667D A FR 786667DA FR 786667 A FR786667 A FR 786667A
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- tubes
- discharge
- 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
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB696934A GB437728A (en) | 1934-03-05 | 1934-03-05 | Improvements in and relating to electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR786667A true FR786667A (en) | 1935-09-07 |
Family
ID=9824136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR786667D Expired FR786667A (en) | 1934-03-05 | 1935-03-04 | Improvements to discharge tubes |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR786667A (en) |
GB (1) | GB437728A (en) |
-
1934
- 1934-03-05 GB GB696934A patent/GB437728A/en not_active Expired
-
1935
- 1935-03-04 FR FR786667D patent/FR786667A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB437728A (en) | 1935-11-05 |
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