FR944758A - L'écran multi-tubes - Google Patents

L'écran multi-tubes

Info

Publication number
FR944758A
FR944758A FR944758DA FR944758A FR 944758 A FR944758 A FR 944758A FR 944758D A FR944758D A FR 944758DA FR 944758 A FR944758 A FR 944758A
Authority
FR
France
Prior art keywords
tube screen
screen
tube
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)
Inventor
Joseph Barut
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 filed Critical
Application granted granted Critical
Publication of FR944758A publication Critical patent/FR944758A/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
    • F21V5/00—Refractors for light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR944758D 1947-04-08 1947-04-08 L'écran multi-tubes Expired FR944758A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR944758T 1947-04-08

Publications (1)

Publication Number Publication Date
FR944758A true FR944758A (fr) 1949-04-14

Family

ID=9471899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944758D Expired FR944758A (fr) 1947-04-08 1947-04-08 L'écran multi-tubes

Country Status (1)

Country Link
FR (1) FR944758A (fr)

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