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FR689961A - Improvements to display devices or indicators - Google Patents

Improvements to display devices or indicators

Info

Publication number
FR689961A
FR689961A FR689961DA FR689961A FR 689961 A FR689961 A FR 689961A FR 689961D A FR689961D A FR 689961DA FR 689961 A FR689961 A FR 689961A
Authority
FR
France
Prior art keywords
indicators
display devices
display
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.)
BRITISH AUTOMATIC TOTALISATOR
Original Assignee
BRITISH AUTOMATIC TOTALISATOR
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 BRITISH AUTOMATIC TOTALISATOR filed Critical BRITISH AUTOMATIC TOTALISATOR
Application granted granted Critical
Publication of FR689961A publication Critical patent/FR689961A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/28—Signs formed by filament-type lamp

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR689961D 1929-02-19 1930-02-14 Improvements to display devices or indicators Expired FR689961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB689961X 1929-02-19

Publications (1)

Publication Number Publication Date
FR689961A true FR689961A (en) 1930-09-15

Family

ID=10493081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689961D Expired FR689961A (en) 1929-02-19 1930-02-14 Improvements to display devices or indicators

Country Status (1)

Country Link
FR (1) FR689961A (en)

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