FR742409A - - Google Patents
Info
- Publication number
- FR742409A FR742409A FR742409DA FR742409A FR 742409 A FR742409 A FR 742409A FR 742409D A FR742409D A FR 742409DA FR 742409 A FR742409 A FR 742409A
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
Landscapes
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742409A true FR742409A (de) | 1933-03-07 |
Family
ID=1546814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742409D Expired FR742409A (de) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742409A (de) |
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0
- FR FR742409D patent/FR742409A/fr not_active Expired