BE352818A - - Google Patents

Info

Publication number
BE352818A
BE352818A BE352818DA BE352818A BE 352818 A BE352818 A BE 352818A BE 352818D A BE352818D A BE 352818DA BE 352818 A BE352818 A BE 352818A
Authority
BE
Belgium
Prior art keywords
plate
shaft
maltese cross
axis
drive
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE352818A publication Critical patent/BE352818A/fr

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/12Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
BE352818D BE352818A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE352818A true BE352818A (enrdf_load_stackoverflow)

Family

ID=27510

Family Applications (1)

Application Number Title Priority Date Filing Date
BE352818D BE352818A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE352818A (enrdf_load_stackoverflow)

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