FR714663A - Projecteur - Google Patents

Projecteur

Info

Publication number
FR714663A
FR714663A FR714663DA FR714663A FR 714663 A FR714663 A FR 714663A FR 714663D A FR714663D A FR 714663DA FR 714663 A FR714663 A FR 714663A
Authority
FR
France
Prior art keywords
projector
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
Jacques Pierron
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 FR714663A publication Critical patent/FR714663A/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
    • F21V5/00—Refractors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR714663D 1930-07-30 1930-07-30 Projecteur Expired FR714663A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714663T 1930-07-30

Publications (1)

Publication Number Publication Date
FR714663A true FR714663A (fr) 1931-11-18

Family

ID=9088068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714663D Expired FR714663A (fr) 1930-07-30 1930-07-30 Projecteur

Country Status (1)

Country Link
FR (1) FR714663A (fr)

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