FR730717A - Perfectionnements aux verreries réflectrices - Google Patents
Perfectionnements aux verreries réflectricesInfo
- Publication number
- FR730717A FR730717A FR730717DA FR730717A FR 730717 A FR730717 A FR 730717A FR 730717D A FR730717D A FR 730717DA FR 730717 A FR730717 A FR 730717A
- Authority
- FR
- France
- Prior art keywords
- glassworks
- reflective
- reflective glassworks
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR730717T | 1932-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR730717A true FR730717A (fr) | 1932-08-20 |
Family
ID=9115566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR730717D Expired FR730717A (fr) | 1932-01-29 | 1932-01-29 | Perfectionnements aux verreries réflectrices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR730717A (fr) |
-
1932
- 1932-01-29 FR FR730717D patent/FR730717A/fr not_active Expired
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