BE425469A - - Google Patents

Info

Publication number
BE425469A
BE425469A BE425469DA BE425469A BE 425469 A BE425469 A BE 425469A BE 425469D A BE425469D A BE 425469DA BE 425469 A BE425469 A BE 425469A
Authority
BE
Belgium
Prior art keywords
light
light source
windows
panes
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE425469A publication Critical patent/BE425469A/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Glass Compositions (AREA)
BE425469D BE425469A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE425469A true BE425469A (enEXAMPLES)

Family

ID=86467

Family Applications (1)

Application Number Title Priority Date Filing Date
BE425469D BE425469A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE425469A (enEXAMPLES)

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