FR997663A - Installation d'éclairage anti-grisouteuse par tube fluorescent - Google Patents

Installation d'éclairage anti-grisouteuse par tube fluorescent

Info

Publication number
FR997663A
FR997663A FR997663DA FR997663A FR 997663 A FR997663 A FR 997663A FR 997663D A FR997663D A FR 997663DA FR 997663 A FR997663 A FR 997663A
Authority
FR
France
Prior art keywords
fluorescent tube
lighting installation
tube anti
gas lighting
gas
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.)
Charbonnages De Beeringen SA D
Original Assignee
Charbonnages De Beeringen SA D
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 Charbonnages De Beeringen SA D filed Critical Charbonnages De Beeringen SA D
Application granted granted Critical
Publication of FR997663A publication Critical patent/FR997663A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
    • F21L14/02—Electric lighting devices without a self-contained power source, e.g. for mains connection capable of hand-held use, e.g. inspection lamps
    • 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)
FR997663D 1949-08-23 1949-10-17 Installation d'éclairage anti-grisouteuse par tube fluorescent Expired FR997663A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE997663X 1949-08-23

Publications (1)

Publication Number Publication Date
FR997663A true FR997663A (fr) 1952-01-09

Family

ID=3892285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997663D Expired FR997663A (fr) 1949-08-23 1949-10-17 Installation d'éclairage anti-grisouteuse par tube fluorescent

Country Status (1)

Country Link
FR (1) FR997663A (fr)

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