FR706836A - Liquide opalin pour la diffusion des rayons lumineux - Google Patents

Liquide opalin pour la diffusion des rayons lumineux

Info

Publication number
FR706836A
FR706836A FR706836DA FR706836A FR 706836 A FR706836 A FR 706836A FR 706836D A FR706836D A FR 706836DA FR 706836 A FR706836 A FR 706836A
Authority
FR
France
Prior art keywords
opaline
diffusion
liquid
light rays
rays
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
Louis Ferrette
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 FR706836A publication Critical patent/FR706836A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR706836D 1930-12-02 1930-12-02 Liquide opalin pour la diffusion des rayons lumineux Expired FR706836A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR706836T 1930-12-02

Publications (1)

Publication Number Publication Date
FR706836A true FR706836A (fr) 1931-06-30

Family

ID=9067981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR706836D Expired FR706836A (fr) 1930-12-02 1930-12-02 Liquide opalin pour la diffusion des rayons lumineux

Country Status (1)

Country Link
FR (1) FR706836A (fr)

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