BE486843A - - Google Patents

Info

Publication number
BE486843A
BE486843A BE486843DA BE486843A BE 486843 A BE486843 A BE 486843A BE 486843D A BE486843D A BE 486843DA BE 486843 A BE486843 A BE 486843A
Authority
BE
Belgium
Prior art keywords
tubes
walls
light
screens
cells
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE486843A publication Critical patent/BE486843A/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE486843D BE486843A (enExample)

Publications (1)

Publication Number Publication Date
BE486843A true BE486843A (enExample)

Family

ID=132424

Family Applications (1)

Application Number Title Priority Date Filing Date
BE486843D BE486843A (enExample)

Country Status (1)

Country Link
BE (1) BE486843A (enExample)

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