FR1069175A - Improvements to lighting devices, in particular for signs - Google Patents

Improvements to lighting devices, in particular for signs

Info

Publication number
FR1069175A
FR1069175A FR1069175DA FR1069175A FR 1069175 A FR1069175 A FR 1069175A FR 1069175D A FR1069175D A FR 1069175DA FR 1069175 A FR1069175 A FR 1069175A
Authority
FR
France
Prior art keywords
signs
lighting devices
lighting
devices
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)
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.)
CREZE ETS
Original Assignee
CREZE ETS
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 CREZE ETS filed Critical CREZE ETS
Application granted granted Critical
Publication of FR1069175A publication Critical patent/FR1069175A/en
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)
FR1069175D 1952-12-23 1952-12-23 Improvements to lighting devices, in particular for signs Expired FR1069175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1069175T 1952-12-23

Publications (1)

Publication Number Publication Date
FR1069175A true FR1069175A (en) 1954-07-05

Family

ID=9604091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1069175D Expired FR1069175A (en) 1952-12-23 1952-12-23 Improvements to lighting devices, in particular for signs

Country Status (1)

Country Link
FR (1) FR1069175A (en)

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