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FR831805A - Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente - Google Patents

Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente

Info

Publication number
FR831805A
FR831805A FR831805DA FR831805A FR 831805 A FR831805 A FR 831805A FR 831805D A FR831805D A FR 831805DA FR 831805 A FR831805 A FR 831805A
Authority
FR
France
Prior art keywords
signs
letters
numbers
various objects
fluorescent surface
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
Application number
Other languages
English (en)
Inventor
Fernand Sauvage
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR831805A publication Critical patent/FR831805A/fr
Expired legal-status Critical Current

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)
FR831805D 1938-01-08 1938-01-08 Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente Expired FR831805A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831805T 1938-01-08

Publications (1)

Publication Number Publication Date
FR831805A true FR831805A (fr) 1938-09-15

Family

ID=9294066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831805D Expired FR831805A (fr) 1938-01-08 1938-01-08 Objets divers tels que lettres, chiffres, signes, etc., à surface fluorescente

Country Status (1)

Country Link
FR (1) FR831805A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293348A1 (fr) 1987-04-27 1988-11-30 Lars Sefastsson Dispositif phosphorescent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0293348A1 (fr) 1987-04-27 1988-11-30 Lars Sefastsson Dispositif phosphorescent

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