FR652452A - - Google Patents
Info
- Publication number
- FR652452A FR652452A FR652452DA FR652452A FR 652452 A FR652452 A FR 652452A FR 652452D A FR652452D A FR 652452DA FR 652452 A FR652452 A FR 652452A
- 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
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/08—Lamps having two or more incandescent bodies separately heated to provide selectively different light effects, e.g. for automobile headlamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB996927A GB291571A (en) | 1927-04-11 | 1927-04-11 | Improvements relating to motor car head lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR652452A true FR652452A (en:Method) | 1929-03-07 |
Family
ID=9882101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR652452D Expired FR652452A (en:Method) | 1927-04-11 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR652452A (en:Method) |
| GB (1) | GB291571A (en:Method) |
| NL (1) | NL24448C (en:Method) |
-
0
- FR FR652452D patent/FR652452A/fr not_active Expired
- NL NL24448D patent/NL24448C/xx active
-
1927
- 1927-04-11 GB GB996927A patent/GB291571A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB291571A (en) | 1928-06-07 |
| NL24448C (en:Method) |