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ES23346A1898-11-111898-11-11Un procedimiento mecánico para la expendición de reproducciones fotográficas sobre papel sensibilizado o de fototipia.
ExpiredES23346A1
(es)
Un sistema para la producción de retratos animados o cinematográficos, cuya fotocopia o positiva se obtiene en papel fotográfico con aparatos de ampliación sincronizados.