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PAGES BASTE FELIX
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PAGES BASTE FELIX
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Priority to ES226539ApriorityCriticalpatent/ES226539A1/es
Publication of ES226539A1publicationCriticalpatent/ES226539A1/es
Procedimiento para la fadricacion de material para envases, hermético al vapor de agua y a la grasa y resistente a la humedad, con papel vegetal apergaminado, como constituyente