FR720973A - Lampe de t. s. f. - Google Patents
Lampe de t. s. f.Info
- Publication number
- FR720973A FR720973A FR720973DA FR720973A FR 720973 A FR720973 A FR 720973A FR 720973D A FR720973D A FR 720973DA FR 720973 A FR720973 A FR 720973A
- Authority
- FR
- France
- Prior art keywords
- lamp
- 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
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE368190X | 1930-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR720973A true FR720973A (fr) | 1932-02-26 |
Family
ID=6318033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR720973D Expired FR720973A (fr) | 1930-08-21 | 1931-08-01 | Lampe de t. s. f. |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR720973A (fr) |
GB (1) | GB368190A (fr) |
-
1931
- 1931-07-24 GB GB21170/31A patent/GB368190A/en not_active Expired
- 1931-08-01 FR FR720973D patent/FR720973A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB368190A (en) | 1932-03-03 |
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