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Publication of FR340144ApublicationCriticalpatent/FR340144A/fr
B44F1/00—Designs or pictures characterised by special or unusual light effects
B44F1/06—Designs or pictures characterised by special or unusual light effects produced by transmitted light, e.g. transparencies, imitations of glass paintings
FR340144D1904-02-031904-02-03Procédé pour la fabrication d'images transparentes imperméables, en celluloid
ExpiredFR340144A
(fr)
Procédé de production de nouvelles préparations sensibles à la lumière, convenant pour la photographie, ainsi que d'images fixes à la lumière, à l'aide de celles-ci