FR837013A -
Method of lighting with changing colors of advertising, decorative and similar objects, installation and device for the implementation of this method
- Google Patents
Method of lighting with changing colors of advertising, decorative and similar objects, installation and device for the implementation of this method
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G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F13/00—Illuminated signs; Luminous advertising
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Physics & Mathematics
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Engineering & Computer Science
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Theoretical Computer Science
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FR837013D1937-05-191938-04-23
Method of lighting with changing colors of advertising, decorative and similar objects, installation and device for the implementation of this method
ExpiredFR837013A
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