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(11) | EP 0 290 404 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Advertising display board with interchangeable images |
(57) A display board adapted for publicity use and the like, having the capacity for interchanging,
in a continuous cycle, six or more display faces (F) composed of modular strips (1)
movable along annular circulation paths (4) by means of motor-driven mechanisms (13,
22, 23) |