FR47352E - Perfectionnement aux projecteurs - Google Patents

Perfectionnement aux projecteurs

Info

Publication number
FR47352E
FR47352E FR47352DA FR47352E FR 47352 E FR47352 E FR 47352E FR 47352D A FR47352D A FR 47352DA FR 47352 E FR47352 E FR 47352E
Authority
FR
France
Prior art keywords
projector
training
projector training
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maison Breguet SA
Original Assignee
Maison Breguet SA
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 by Maison Breguet SA filed Critical Maison Breguet SA
Application granted granted Critical
Publication of FR47352E publication Critical patent/FR47352E/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR47352D 1935-03-11 1935-03-11 Perfectionnement aux projecteurs Expired FR47352E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR47352T 1935-03-11

Publications (1)

Publication Number Publication Date
FR47352E true FR47352E (fr) 1937-03-25

Family

ID=8682852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47352D Expired FR47352E (fr) 1935-03-11 1935-03-11 Perfectionnement aux projecteurs

Country Status (1)

Country Link
FR (1) FR47352E (fr)

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