FR953782A - Perfectionnement aux appareils d'éclairage - Google Patents

Perfectionnement aux appareils d'éclairage

Info

Publication number
FR953782A
FR953782A FR953782DA FR953782A FR 953782 A FR953782 A FR 953782A FR 953782D A FR953782D A FR 953782DA FR 953782 A FR953782 A FR 953782A
Authority
FR
France
Prior art keywords
development
lighting fixtures
fixtures
lighting
fixtures development
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.)
Holophane SAS
Original Assignee
Holophane SAS
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 Holophane SAS filed Critical Holophane SAS
Application granted granted Critical
Publication of FR953782A publication Critical patent/FR953782A/fr
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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR953782D 1946-02-16 1947-02-14 Perfectionnement aux appareils d'éclairage Expired FR953782A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US953782XA 1946-02-16 1946-02-16

Publications (1)

Publication Number Publication Date
FR953782A true FR953782A (fr) 1949-12-13

Family

ID=22251668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR953782D Expired FR953782A (fr) 1946-02-16 1947-02-14 Perfectionnement aux appareils d'éclairage

Country Status (1)

Country Link
FR (1) FR953782A (fr)

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