FR437372A - Projecteur - Google Patents
ProjecteurInfo
- Publication number
- FR437372A FR437372A FR437372DA FR437372A FR 437372 A FR437372 A FR 437372A FR 437372D A FR437372D A FR 437372DA FR 437372 A FR437372 A FR 437372A
- Authority
- FR
- France
- Prior art keywords
- projector
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B31/00—Electric arc lamps
- H05B31/0057—Accessories for arc lamps
- H05B31/0072—Reflectors for arc lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE437372X | 1911-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR437372A true FR437372A (fr) | 1912-04-19 |
Family
ID=1478987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR437372D Expired FR437372A (fr) | 1911-11-03 | 1911-12-08 | Projecteur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR437372A (fr) |
-
1911
- 1911-12-08 FR FR437372D patent/FR437372A/fr not_active Expired
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