BE381534A - - Google Patents

Info

Publication number
BE381534A
BE381534A BE381534DA BE381534A BE 381534 A BE381534 A BE 381534A BE 381534D A BE381534D A BE 381534DA BE 381534 A BE381534 A BE 381534A
Authority
BE
Belgium
Prior art keywords
sign
mirrors
face
reflectors
plane
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE381534A publication Critical patent/BE381534A/fr

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/16Signs 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)
  • Illuminated Signs And Luminous Advertising (AREA)
BE381534D BE381534A (de)

Publications (1)

Publication Number Publication Date
BE381534A true BE381534A (de)

Family

ID=51062

Family Applications (1)

Application Number Title Priority Date Filing Date
BE381534D BE381534A (de)

Country Status (1)

Country Link
BE (1) BE381534A (de)

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