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APP LUMINEUX ANNONCIATEURS ET
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APP LUMINEUX ANNONCIATEURS ET
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Application grantedgrantedCritical
Publication of FR41868EpublicationCriticalpatent/FR41868E/fr
G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
FR41868D1932-05-301932-05-30Dispositif électro-mécanique pour actionner des plaques perforées destinées à la projection de signes quelconques
ExpiredFR41868E
(fr)