FR1004680A - Electric lamp - Google Patents

Electric lamp

Info

Publication number
FR1004680A
FR1004680A FR1004680DA FR1004680A FR 1004680 A FR1004680 A FR 1004680A FR 1004680D A FR1004680D A FR 1004680DA FR 1004680 A FR1004680 A FR 1004680A
Authority
FR
France
Prior art keywords
electric lamp
lamp
electric
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.)
ETUDE ET D EXPL D ARTICLES NOU
Original Assignee
ETUDE ET D EXPL D ARTICLES NOU
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 ETUDE ET D EXPL D ARTICLES NOU filed Critical ETUDE ET D EXPL D ARTICLES NOU
Application granted granted Critical
Publication of FR1004680A publication Critical patent/FR1004680A/en
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
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1004680D 1949-12-23 1949-12-23 Electric lamp Expired FR1004680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004680T 1949-12-23

Publications (1)

Publication Number Publication Date
FR1004680A true FR1004680A (en) 1952-04-01

Family

ID=9564075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004680D Expired FR1004680A (en) 1949-12-23 1949-12-23 Electric lamp

Country Status (1)

Country Link
FR (1) FR1004680A (en)

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