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C C B CONST CARTON BOIS SA
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C C B CONST CARTON BOIS SA
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Application filed by C C B CONST CARTON BOIS SAfiledCriticalC C B CONST CARTON BOIS SA
Priority to ES0196990ApriorityCriticalpatent/ES196990A2/es
Publication of ES196990A2publicationCriticalpatent/ES196990A2/es
Variante de realización de las estructuras de papel para materiales "sandwich" descritos en la solicitud principal caracterizada esencialmente porque los orificios de comunicación entre celdillas se realizan en forma de muescas practicadas en los extremos de cada celdilla.
ES0196990A1951-03-131951-03-13Perfeccionamientos introducidos a los materiales llamados sandwich para revestimientos en nidos de abejas
ExpiredES196990A2
(es)