FR880300A - - Google Patents
Info
- Publication number
- FR880300A FR880300A FR880300DA FR880300A FR 880300 A FR880300 A FR 880300A FR 880300D A FR880300D A FR 880300DA FR 880300 A FR880300 A FR 880300A
- 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
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR880300A true FR880300A (en) | 1943-03-27 |
Family
ID=1556103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR880300D Expired FR880300A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR880300A (en) |
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0
- FR FR880300D patent/FR880300A/fr not_active Expired