FR971866A - Indicator panels and process for their manufacture - Google Patents

Indicator panels and process for their manufacture

Info

Publication number
FR971866A
FR971866A FR971866DA FR971866A FR 971866 A FR971866 A FR 971866A FR 971866D A FR971866D A FR 971866DA FR 971866 A FR971866 A FR 971866A
Authority
FR
France
Prior art keywords
manufacture
indicator panels
panels
indicator
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)
Inventor
Robert-Marcel De Neef
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 FR971866A publication Critical patent/FR971866A/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
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR971866D 1948-09-21 1948-09-21 Indicator panels and process for their manufacture Expired FR971866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971866T 1948-09-21

Publications (1)

Publication Number Publication Date
FR971866A true FR971866A (en) 1951-01-23

Family

ID=9515529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971866D Expired FR971866A (en) 1948-09-21 1948-09-21 Indicator panels and process for their manufacture

Country Status (1)

Country Link
FR (1) FR971866A (en)

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