FR653375A - Appareil d'éclairage sans ombres portées - Google Patents

Appareil d'éclairage sans ombres portées

Info

Publication number
FR653375A
FR653375A FR653375DA FR653375A FR 653375 A FR653375 A FR 653375A FR 653375D A FR653375D A FR 653375DA FR 653375 A FR653375 A FR 653375A
Authority
FR
France
Prior art keywords
light fixture
drop shadows
shadows
drop
fixture
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
Henry-Rene Savatier
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 FR653375A publication Critical patent/FR653375A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
FR653375D 1927-04-26 1928-04-24 Appareil d'éclairage sans ombres portées Expired FR653375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE653375X 1927-04-26

Publications (1)

Publication Number Publication Date
FR653375A true FR653375A (fr) 1929-03-20

Family

ID=3876847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653375D Expired FR653375A (fr) 1927-04-26 1928-04-24 Appareil d'éclairage sans ombres portées

Country Status (1)

Country Link
FR (1) FR653375A (fr)

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