BE427748A - - Google Patents

Info

Publication number
BE427748A
BE427748A BE427748DA BE427748A BE 427748 A BE427748 A BE 427748A BE 427748D A BE427748D A BE 427748DA BE 427748 A BE427748 A BE 427748A
Authority
BE
Belgium
Prior art keywords
light
tube
screens
screen
tubes
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE427748A publication Critical patent/BE427748A/fr

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
    • G09F13/26—Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE427748D BE427748A (de)

Publications (1)

Publication Number Publication Date
BE427748A true BE427748A (de)

Family

ID=88260

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427748D BE427748A (de)

Country Status (1)

Country Link
BE (1) BE427748A (de)

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