FR734830A - Perfectionnements aux réflecteurs, miroirs, etc. - Google Patents
Perfectionnements aux réflecteurs, miroirs, etc.Info
- Publication number
- FR734830A FR734830A FR734830DA FR734830A FR 734830 A FR734830 A FR 734830A FR 734830D A FR734830D A FR 734830DA FR 734830 A FR734830 A FR 734830A
- Authority
- FR
- France
- Prior art keywords
- reflectors
- mirrors
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR734830T | 1932-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR734830A true FR734830A (fr) | 1932-10-28 |
Family
ID=9130127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR734830D Expired FR734830A (fr) | 1932-04-07 | 1932-04-07 | Perfectionnements aux réflecteurs, miroirs, etc. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR734830A (fr) |
-
1932
- 1932-04-07 FR FR734830D patent/FR734830A/fr not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR734830A (fr) | Perfectionnements aux réflecteurs, miroirs, etc. | |
| DK46940C (da) | Siholder. | |
| DK47374C (da) | Sammenfoldelig Hesterive. | |
| CH158454A (de) | Wiesenmistegge. | |
| CH161498A (de) | Furchenzieher. | |
| DK48873C (da) | Lynlampe. | |
| FI14144A (fi) | Underbenkläder, isynnerhet damunderbenkläder | |
| FI14600A (fi) | Högspänningstransformator, isynnerhet spänningsmättransformator | |
| DK52015C (da) | Lampeskærm. | |
| GR3657B (el) | Αυτοπυρον σιγαρεττον. | |
| GR3696B (el) | Αυτοπυρον σιγαρεττον. | |
| GR3941B (el) | Αυτοδυναμος κινητηριος μηχανη. | |
| ES1211Y (es) | Apuracabos. | |
| DK46452C (da) | Gashane. | |
| DK46783C (da) | Aalejærn. | |
| DK46442C (da) | Gamachestrop. | |
| DK47699C (da) | Stormhaspe. | |
| DK47913C (da) | Grydelaag. | |
| DK48088C (da) | Murdybel. | |
| DK48421C (da) | Roetopsgreb. | |
| DK49098C (da) | Pessar. | |
| DK49121C (da) | Patronmagasin. | |
| ES1087Y (es) | Sillones-carrito. | |
| ES1210Y (es) | Etiqueta-precinto. | |
| AT134418B (de) | Lorgnon. |