FR872108A - New phosphorescent lighting process - Google Patents
New phosphorescent lighting processInfo
- Publication number
- FR872108A FR872108A FR872108DA FR872108A FR 872108 A FR872108 A FR 872108A FR 872108D A FR872108D A FR 872108DA FR 872108 A FR872108 A FR 872108A
- Authority
- FR
- France
- Prior art keywords
- lighting process
- new phosphorescent
- phosphorescent lighting
- new
- phosphorescent
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR872108T | 1941-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR872108A true FR872108A (en) | 1942-05-30 |
Family
ID=9358705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR872108D Expired FR872108A (en) | 1941-05-13 | 1941-05-13 | New phosphorescent lighting process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR872108A (en) |
-
1941
- 1941-05-13 FR FR872108D patent/FR872108A/en not_active Expired
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