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FR580042A - Projector - Google Patents

Projector

Info

Publication number
FR580042A
FR580042A FR580042DA FR580042A FR 580042 A FR580042 A FR 580042A FR 580042D A FR580042D A FR 580042DA FR 580042 A FR580042 A FR 580042A
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
French (fr)
Inventor
Pierre Marchal
Pierre Gosset
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 FR580042A publication Critical patent/FR580042A/en
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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—Cover glass

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR580042D 1924-04-11 1924-04-11 Projector Expired FR580042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR580042T 1924-04-11

Publications (1)

Publication Number Publication Date
FR580042A true FR580042A (en) 1924-10-28

Family

ID=8956527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR580042D Expired FR580042A (en) 1924-04-11 1924-04-11 Projector

Country Status (1)

Country Link
FR (1) FR580042A (en)

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