FR674387A - Appareil d'éclairage perfectionné - Google Patents

Appareil d'éclairage perfectionné

Info

Publication number
FR674387A
FR674387A FR674387DA FR674387A FR 674387 A FR674387 A FR 674387A FR 674387D A FR674387D A FR 674387DA FR 674387 A FR674387 A FR 674387A
Authority
FR
France
Prior art keywords
lighting fixture
advanced lighting
advanced
fixture
lighting
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
Georges Main
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 FR674387A publication Critical patent/FR674387A/fr
Expired legal-status Critical Current

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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR674387D 1928-09-13 1928-09-13 Appareil d'éclairage perfectionné Expired FR674387A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR674387T 1928-09-13

Publications (1)

Publication Number Publication Date
FR674387A true FR674387A (fr) 1930-01-28

Family

ID=9018719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674387D Expired FR674387A (fr) 1928-09-13 1928-09-13 Appareil d'éclairage perfectionné

Country Status (1)

Country Link
FR (1) FR674387A (fr)

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